20246996520

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{4289}}^1$

素因数の和:4390

約数の個数: 320

約数和(自身を含む): 71759001600

約数和(自身を除く): 51512005080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 47, 54, 60, 62, 72, 81, 90, 93, 94, 108, 120, 124, 135, 141, 155, 162, 180, 186, 188, 216, 235, 248, 270, 279, 282, 310, 324, 360, 372, 376, 405, 423, 465, 470, 540, 558, 564, 620, 648, 705, 744, 810, 837, 846, 930, 940, 1080, 1116, 1128, 1240, 1269, 1395, 1410, 1457, 1620, 1674, 1692, 1860, 1880, 2115, 2232, 2511, 2538, 2790, 2820, 2914, 3240, 3348, 3384, 3720, 3807, 4185, 4230, 4289, 4371, 5022, 5076, 5580, 5640, 5828, 6345, 6696, 7285, 7614, 8370, 8460, 8578, 8742, 10044, 10152, 11160, 11656, 12555, 12690, 12867, 13113, 14570, 15228, 16740, 16920, 17156, 17484, 19035, 20088, 21445, 21855, 25110, 25380, 25734, 26226, 29140, 30456, 33480, 34312, 34968, 38070, 38601, 39339, 42890, 43710, 50220, 50760, 51468, 52452, 58280, 64335, 65565, 76140, 77202, 78678, 85780, 87420, 100440, 102936, 104904, 115803, 118017, 128670, 131130, 132959, 152280, 154404, 157356, 171560, 174840, 193005, 196695, 201583, 231606, 236034, 257340, 262260, 265918, 308808, 314712, 347409, 386010, 393390, 398877, 403166, 463212, 472068, 514680, 524520, 531836, 579015, 590085, 604749, 664795, 694818, 772020, 786780, 797754, 806332, 926424, 944136, 1007915, 1063672, 1158030, 1180170, 1196631, 1209498, 1329590, 1389636, 1544040, 1573560, 1595508, 1612664, 1737045, 1814247, 1994385, 2015830, 2316060, 2360340, 2393262, 2418996, 2659180, 2779272, 3023745, 3191016, 3474090, 3589893, 3628494, 3988770, 4031660, 4632120, 4720680, 4786524, 4837992, 5318360, 5442741, 5983155, 6047490, 6249073, 6948180, 7179786, 7256988, 7977540, 8063320, 9071235, 9573048, 10769679, 10885482, 11966310, 12094980, 12498146, 13896360, 14359572, 14513976, 15955080, 16328223, 17949465, 18142470, 18747219, 21539358, 21770964, 23932620, 24189960, 24996292, 27213705, 28719144, 31245365, 32656446, 35898930, 36284940, 37494438, 43078716, 43541928, 47865240, 49992584, 53848395, 54427410, 56241657, 62490730, 65312892, 71797860, 72569880, 74988876, 81641115, 86157432, 93736095, 107696790, 108854820, 112483314, 124981460, 130625784, 143595720, 149977752, 163282230, 168724971, 187472190, 215393580, 217709640, 224966628, 249962920, 281208285, 326564460, 337449942, 374944380, 430787160, 449933256, 506174913, 562416570, 653128920, 674899884, 749888760, 843624855, 1012349826, 1124833140, 1349799768, 1687249710, 2024699652, 2249666280, 2530874565, 3374499420, 4049399304, 5061749130, 6748998840, 10123498260, 20246996520]

約数ペア:

[(1, 20246996520), (2, 10123498260), (3, 6748998840), (4, 5061749130), (5, 4049399304), (6, 3374499420), (8, 2530874565), (9, 2249666280), (10, 2024699652), (12, 1687249710), (15, 1349799768), (18, 1124833140), (20, 1012349826), (24, 843624855), (27, 749888760), (30, 674899884), (31, 653128920), (36, 562416570), (40, 506174913), (45, 449933256), (47, 430787160), (54, 374944380), (60, 337449942), (62, 326564460), (72, 281208285), (81, 249962920), (90, 224966628), (93, 217709640), (94, 215393580), (108, 187472190), (120, 168724971), (124, 163282230), (135, 149977752), (141, 143595720), (155, 130625784), (162, 124981460), (180, 112483314), (186, 108854820), (188, 107696790), (216, 93736095), (235, 86157432), (248, 81641115), (270, 74988876), (279, 72569880), (282, 71797860), (310, 65312892), (324, 62490730), (360, 56241657), (372, 54427410), (376, 53848395), (405, 49992584), (423, 47865240), (465, 43541928), (470, 43078716), (540, 37494438), (558, 36284940), (564, 35898930), (620, 32656446), (648, 31245365), (705, 28719144), (744, 27213705), (810, 24996292), (837, 24189960), (846, 23932620), (930, 21770964), (940, 21539358), (1080, 18747219), (1116, 18142470), (1128, 17949465), (1240, 16328223), (1269, 15955080), (1395, 14513976), (1410, 14359572), (1457, 13896360), (1620, 12498146), (1674, 12094980), (1692, 11966310), (1860, 10885482), (1880, 10769679), (2115, 9573048), (2232, 9071235), (2511, 8063320), (2538, 7977540), (2790, 7256988), (2820, 7179786), (2914, 6948180), (3240, 6249073), (3348, 6047490), (3384, 5983155), (3720, 5442741), (3807, 5318360), (4185, 4837992), (4230, 4786524), (4289, 4720680), (4371, 4632120), (5022, 4031660), (5076, 3988770), (5580, 3628494), (5640, 3589893), (5828, 3474090), (6345, 3191016), (6696, 3023745), (7285, 2779272), (7614, 2659180), (8370, 2418996), (8460, 2393262), (8578, 2360340), (8742, 2316060), (10044, 2015830), (10152, 1994385), (11160, 1814247), (11656, 1737045), (12555, 1612664), (12690, 1595508), (12867, 1573560), (13113, 1544040), (14570, 1389636), (15228, 1329590), (16740, 1209498), (16920, 1196631), (17156, 1180170), (17484, 1158030), (19035, 1063672), (20088, 1007915), (21445, 944136), (21855, 926424), (25110, 806332), (25380, 797754), (25734, 786780), (26226, 772020), (29140, 694818), (30456, 664795), (33480, 604749), (34312, 590085), (34968, 579015), (38070, 531836), (38601, 524520), (39339, 514680), (42890, 472068), (43710, 463212), (50220, 403166), (50760, 398877), (51468, 393390), (52452, 386010), (58280, 347409), (64335, 314712), (65565, 308808), (76140, 265918), (77202, 262260), (78678, 257340), (85780, 236034), (87420, 231606), (100440, 201583), (102936, 196695), (104904, 193005), (115803, 174840), (118017, 171560), (128670, 157356), (131130, 154404), (132959, 152280)]