20409979920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{181}}^1\times {\mathrm{353}}^1$

素因数の和:583

約数の個数: 320

約数和(自身を含む): 70176008448

約数和(自身を除く): 49766028528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 121, 132, 165, 176, 181, 220, 240, 242, 264, 330, 353, 362, 363, 440, 484, 528, 543, 605, 660, 706, 724, 726, 880, 905, 968, 1059, 1086, 1210, 1320, 1331, 1412, 1448, 1452, 1765, 1810, 1815, 1936, 1991, 2118, 2172, 2420, 2640, 2662, 2715, 2824, 2896, 2904, 3530, 3620, 3630, 3883, 3982, 3993, 4236, 4344, 4840, 5295, 5324, 5430, 5648, 5808, 5973, 6655, 7060, 7240, 7260, 7766, 7964, 7986, 8472, 8688, 9680, 9955, 10590, 10648, 10860, 11649, 11946, 13310, 14120, 14480, 14520, 15532, 15928, 15972, 16944, 19415, 19910, 19965, 21180, 21296, 21720, 21901, 23298, 23892, 26620, 28240, 29040, 29865, 31064, 31856, 31944, 38830, 39820, 39930, 42360, 42713, 43440, 43802, 46596, 47784, 53240, 58245, 59730, 62128, 63888, 63893, 65703, 77660, 79640, 79860, 84720, 85426, 87604, 93192, 95568, 106480, 109505, 116490, 119460, 127786, 128139, 131406, 155320, 159280, 159720, 170852, 175208, 186384, 191679, 213565, 219010, 232980, 238920, 240911, 255572, 256278, 262812, 310640, 319440, 319465, 328515, 341704, 350416, 383358, 427130, 438020, 465960, 469843, 477840, 481822, 511144, 512556, 525624, 638930, 640695, 657030, 683408, 702823, 722733, 766716, 854260, 876040, 931920, 939686, 958395, 963644, 1022288, 1025112, 1051248, 1204555, 1277860, 1281390, 1314060, 1405646, 1409529, 1445466, 1533432, 1708520, 1752080, 1879372, 1916790, 1927288, 2050224, 2108469, 2349215, 2409110, 2555720, 2562780, 2628120, 2811292, 2819058, 2890932, 3066864, 3417040, 3514115, 3613665, 3758744, 3833580, 3854576, 4216938, 4698430, 4818220, 5111440, 5125560, 5256240, 5622584, 5638116, 5781864, 7028230, 7047645, 7227330, 7517488, 7667160, 7731053, 8433876, 9396860, 9636440, 10251120, 10542345, 11245168, 11276232, 11563728, 14056460, 14095290, 14454660, 15334320, 15462106, 16867752, 18793720, 19272880, 21084690, 22552464, 23193159, 28112920, 28190580, 28909320, 30924212, 33735504, 37587440, 38655265, 42169380, 46386318, 56225840, 56381160, 57818640, 61848424, 77310530, 84338760, 85041583, 92772636, 112762320, 115965795, 123696848, 154621060, 168677520, 170083166, 185545272, 231931590, 255124749, 309242120, 340166332, 371090544, 425207915, 463863180, 510249498, 618484240, 680332664, 850415830, 927726360, 1020498996, 1275623745, 1360665328, 1700831660, 1855452720, 2040997992, 2551247490, 3401663320, 4081995984, 5102494980, 6803326640, 10204989960, 20409979920]

約数ペア:

[(1, 20409979920), (2, 10204989960), (3, 6803326640), (4, 5102494980), (5, 4081995984), (6, 3401663320), (8, 2551247490), (10, 2040997992), (11, 1855452720), (12, 1700831660), (15, 1360665328), (16, 1275623745), (20, 1020498996), (22, 927726360), (24, 850415830), (30, 680332664), (33, 618484240), (40, 510249498), (44, 463863180), (48, 425207915), (55, 371090544), (60, 340166332), (66, 309242120), (80, 255124749), (88, 231931590), (110, 185545272), (120, 170083166), (121, 168677520), (132, 154621060), (165, 123696848), (176, 115965795), (181, 112762320), (220, 92772636), (240, 85041583), (242, 84338760), (264, 77310530), (330, 61848424), (353, 57818640), (362, 56381160), (363, 56225840), (440, 46386318), (484, 42169380), (528, 38655265), (543, 37587440), (605, 33735504), (660, 30924212), (706, 28909320), (724, 28190580), (726, 28112920), (880, 23193159), (905, 22552464), (968, 21084690), (1059, 19272880), (1086, 18793720), (1210, 16867752), (1320, 15462106), (1331, 15334320), (1412, 14454660), (1448, 14095290), (1452, 14056460), (1765, 11563728), (1810, 11276232), (1815, 11245168), (1936, 10542345), (1991, 10251120), (2118, 9636440), (2172, 9396860), (2420, 8433876), (2640, 7731053), (2662, 7667160), (2715, 7517488), (2824, 7227330), (2896, 7047645), (2904, 7028230), (3530, 5781864), (3620, 5638116), (3630, 5622584), (3883, 5256240), (3982, 5125560), (3993, 5111440), (4236, 4818220), (4344, 4698430), (4840, 4216938), (5295, 3854576), (5324, 3833580), (5430, 3758744), (5648, 3613665), (5808, 3514115), (5973, 3417040), (6655, 3066864), (7060, 2890932), (7240, 2819058), (7260, 2811292), (7766, 2628120), (7964, 2562780), (7986, 2555720), (8472, 2409110), (8688, 2349215), (9680, 2108469), (9955, 2050224), (10590, 1927288), (10648, 1916790), (10860, 1879372), (11649, 1752080), (11946, 1708520), (13310, 1533432), (14120, 1445466), (14480, 1409529), (14520, 1405646), (15532, 1314060), (15928, 1281390), (15972, 1277860), (16944, 1204555), (19415, 1051248), (19910, 1025112), (19965, 1022288), (21180, 963644), (21296, 958395), (21720, 939686), (21901, 931920), (23298, 876040), (23892, 854260), (26620, 766716), (28240, 722733), (29040, 702823), (29865, 683408), (31064, 657030), (31856, 640695), (31944, 638930), (38830, 525624), (39820, 512556), (39930, 511144), (42360, 481822), (42713, 477840), (43440, 469843), (43802, 465960), (46596, 438020), (47784, 427130), (53240, 383358), (58245, 350416), (59730, 341704), (62128, 328515), (63888, 319465), (63893, 319440), (65703, 310640), (77660, 262812), (79640, 256278), (79860, 255572), (84720, 240911), (85426, 238920), (87604, 232980), (93192, 219010), (95568, 213565), (106480, 191679), (109505, 186384), (116490, 175208), (119460, 170852), (127786, 159720), (128139, 159280), (131406, 155320)]