20071480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:86

約数の個数: 128

約数和(自身を含む): 55339200

約数和(自身を除く): 35267720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 29, 40, 44, 52, 55, 58, 65, 88, 104, 110, 116, 121, 130, 143, 145, 220, 232, 242, 260, 286, 290, 319, 377, 440, 484, 520, 572, 580, 605, 638, 715, 754, 968, 1144, 1160, 1210, 1276, 1331, 1430, 1508, 1573, 1595, 1885, 2420, 2552, 2662, 2860, 3016, 3146, 3190, 3509, 3770, 4147, 4840, 5324, 5720, 6292, 6380, 6655, 7018, 7540, 7865, 8294, 10648, 12584, 12760, 13310, 14036, 15080, 15730, 16588, 17303, 17545, 20735, 26620, 28072, 31460, 33176, 34606, 35090, 38599, 41470, 45617, 53240, 62920, 69212, 70180, 77198, 82940, 86515, 91234, 138424, 140360, 154396, 165880, 173030, 182468, 192995, 228085, 308792, 346060, 364936, 385990, 456170, 501787, 692120, 771980, 912340, 1003574, 1543960, 1824680, 2007148, 2508935, 4014296, 5017870, 10035740, 20071480]

約数ペア:

[(1, 20071480), (2, 10035740), (4, 5017870), (5, 4014296), (8, 2508935), (10, 2007148), (11, 1824680), (13, 1543960), (20, 1003574), (22, 912340), (26, 771980), (29, 692120), (40, 501787), (44, 456170), (52, 385990), (55, 364936), (58, 346060), (65, 308792), (88, 228085), (104, 192995), (110, 182468), (116, 173030), (121, 165880), (130, 154396), (143, 140360), (145, 138424), (220, 91234), (232, 86515), (242, 82940), (260, 77198), (286, 70180), (290, 69212), (319, 62920), (377, 53240), (440, 45617), (484, 41470), (520, 38599), (572, 35090), (580, 34606), (605, 33176), (638, 31460), (715, 28072), (754, 26620), (968, 20735), (1144, 17545), (1160, 17303), (1210, 16588), (1276, 15730), (1331, 15080), (1430, 14036), (1508, 13310), (1573, 12760), (1595, 12584), (1885, 10648), (2420, 8294), (2552, 7865), (2662, 7540), (2860, 7018), (3016, 6655), (3146, 6380), (3190, 6292), (3509, 5720), (3770, 5324), (4147, 4840)]