20119840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{569}}^1$

素因数の和:614

約数の個数: 96

約数和(自身を含む): 54295920

約数和(自身を除く): 34176080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 160, 170, 208, 221, 260, 272, 340, 416, 442, 520, 544, 569, 680, 884, 1040, 1105, 1138, 1360, 1768, 2080, 2210, 2276, 2720, 2845, 3536, 4420, 4552, 5690, 7072, 7397, 8840, 9104, 9673, 11380, 14794, 17680, 18208, 19346, 22760, 29588, 35360, 36985, 38692, 45520, 48365, 59176, 73970, 77384, 91040, 96730, 118352, 125749, 147940, 154768, 193460, 236704, 251498, 295880, 309536, 386920, 502996, 591760, 628745, 773840, 1005992, 1183520, 1257490, 1547680, 2011984, 2514980, 4023968, 5029960, 10059920, 20119840]

約数ペア:

[(1, 20119840), (2, 10059920), (4, 5029960), (5, 4023968), (8, 2514980), (10, 2011984), (13, 1547680), (16, 1257490), (17, 1183520), (20, 1005992), (26, 773840), (32, 628745), (34, 591760), (40, 502996), (52, 386920), (65, 309536), (68, 295880), (80, 251498), (85, 236704), (104, 193460), (130, 154768), (136, 147940), (160, 125749), (170, 118352), (208, 96730), (221, 91040), (260, 77384), (272, 73970), (340, 59176), (416, 48365), (442, 45520), (520, 38692), (544, 36985), (569, 35360), (680, 29588), (884, 22760), (1040, 19346), (1105, 18208), (1138, 17680), (1360, 14794), (1768, 11380), (2080, 9673), (2210, 9104), (2276, 8840), (2720, 7397), (2845, 7072), (3536, 5690), (4420, 4552)]