20265119680

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{211801}}^1$

素因数の和:211854

約数の個数: 112

約数和(自身を含む): 54228089664

約数和(自身を除く): 33962969984

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 64, 65, 80, 92, 104, 115, 130, 160, 184, 208, 230, 260, 299, 320, 368, 416, 460, 520, 598, 736, 832, 920, 1040, 1196, 1472, 1495, 1840, 2080, 2392, 2990, 3680, 4160, 4784, 5980, 7360, 9568, 11960, 19136, 23920, 47840, 95680, 211801, 423602, 847204, 1059005, 1694408, 2118010, 2753413, 3388816, 4236020, 4871423, 5506826, 6777632, 8472040, 9742846, 11013652, 13555264, 13767065, 16944080, 19485692, 22027304, 24357115, 27534130, 33888160, 38971384, 44054608, 48714230, 55068260, 63328499, 67776320, 77942768, 88109216, 97428460, 110136520, 126656998, 155885536, 176218432, 194856920, 220273040, 253313996, 311771072, 316642495, 389713840, 440546080, 506627992, 633284990, 779427680, 881092160, 1013255984, 1266569980, 1558855360, 2026511968, 2533139960, 4053023936, 5066279920, 10132559840, 20265119680]

約数ペア:

[(1, 20265119680), (2, 10132559840), (4, 5066279920), (5, 4053023936), (8, 2533139960), (10, 2026511968), (13, 1558855360), (16, 1266569980), (20, 1013255984), (23, 881092160), (26, 779427680), (32, 633284990), (40, 506627992), (46, 440546080), (52, 389713840), (64, 316642495), (65, 311771072), (80, 253313996), (92, 220273040), (104, 194856920), (115, 176218432), (130, 155885536), (160, 126656998), (184, 110136520), (208, 97428460), (230, 88109216), (260, 77942768), (299, 67776320), (320, 63328499), (368, 55068260), (416, 48714230), (460, 44054608), (520, 38971384), (598, 33888160), (736, 27534130), (832, 24357115), (920, 22027304), (1040, 19485692), (1196, 16944080), (1472, 13767065), (1495, 13555264), (1840, 11013652), (2080, 9742846), (2392, 8472040), (2990, 6777632), (3680, 5506826), (4160, 4871423), (4784, 4236020), (5980, 3388816), (7360, 2753413), (9568, 2118010), (11960, 1694408), (19136, 1059005), (23920, 847204), (47840, 423602), (95680, 211801)]