20105729520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{6947}}^1$

素因数の和:7383

約数の個数: 160

約数和(自身を含む): 64513013760

約数和(自身を除く): 44407284240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 389, 465, 496, 620, 744, 778, 930, 1167, 1240, 1488, 1556, 1860, 1945, 2334, 2480, 3112, 3720, 3890, 4668, 5835, 6224, 6947, 7440, 7780, 9336, 11670, 12059, 13894, 15560, 18672, 20841, 23340, 24118, 27788, 31120, 34735, 36177, 41682, 46680, 48236, 55576, 60295, 69470, 72354, 83364, 93360, 96472, 104205, 111152, 120590, 138940, 144708, 166728, 180885, 192944, 208410, 215357, 241180, 277880, 289416, 333456, 361770, 416820, 430714, 482360, 555760, 578832, 646071, 723540, 833640, 861428, 964720, 1076785, 1292142, 1447080, 1667280, 1722856, 2153570, 2584284, 2702383, 2894160, 3230355, 3445712, 4307140, 5168568, 5404766, 6460710, 8107149, 8614280, 10337136, 10809532, 12921420, 13511915, 16214298, 17228560, 21619064, 25842840, 27023830, 32428596, 40535745, 43238128, 51685680, 54047660, 64857192, 81071490, 83773873, 108095320, 129714384, 162142980, 167547746, 216190640, 251321619, 324285960, 335095492, 418869365, 502643238, 648571920, 670190984, 837738730, 1005286476, 1256608095, 1340381968, 1675477460, 2010572952, 2513216190, 3350954920, 4021145904, 5026432380, 6701909840, 10052864760, 20105729520]

約数ペア:

[(1, 20105729520), (2, 10052864760), (3, 6701909840), (4, 5026432380), (5, 4021145904), (6, 3350954920), (8, 2513216190), (10, 2010572952), (12, 1675477460), (15, 1340381968), (16, 1256608095), (20, 1005286476), (24, 837738730), (30, 670190984), (31, 648571920), (40, 502643238), (48, 418869365), (60, 335095492), (62, 324285960), (80, 251321619), (93, 216190640), (120, 167547746), (124, 162142980), (155, 129714384), (186, 108095320), (240, 83773873), (248, 81071490), (310, 64857192), (372, 54047660), (389, 51685680), (465, 43238128), (496, 40535745), (620, 32428596), (744, 27023830), (778, 25842840), (930, 21619064), (1167, 17228560), (1240, 16214298), (1488, 13511915), (1556, 12921420), (1860, 10809532), (1945, 10337136), (2334, 8614280), (2480, 8107149), (3112, 6460710), (3720, 5404766), (3890, 5168568), (4668, 4307140), (5835, 3445712), (6224, 3230355), (6947, 2894160), (7440, 2702383), (7780, 2584284), (9336, 2153570), (11670, 1722856), (12059, 1667280), (13894, 1447080), (15560, 1292142), (18672, 1076785), (20841, 964720), (23340, 861428), (24118, 833640), (27788, 723540), (31120, 646071), (34735, 578832), (36177, 555760), (41682, 482360), (46680, 430714), (48236, 416820), (55576, 361770), (60295, 333456), (69470, 289416), (72354, 277880), (83364, 241180), (93360, 215357), (96472, 208410), (104205, 192944), (111152, 180885), (120590, 166728), (138940, 144708)]