20258292080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1145831}}^1$

素因数の和:1145874

約数の個数: 80

約数和(自身を含む): 53707437504

約数和(自身を除く): 33449145424

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1768, 2210, 3536, 4420, 8840, 17680, 1145831, 2291662, 4583324, 5729155, 9166648, 11458310, 14895803, 18333296, 19479127, 22916620, 29791606, 38958254, 45833240, 59583212, 74479015, 77916508, 91666480, 97395635, 119166424, 148958030, 155833016, 194791270, 238332848, 253228651, 297916060, 311666032, 389582540, 506457302, 595832120, 779165080, 1012914604, 1191664240, 1266143255, 1558330160, 2025829208, 2532286510, 4051658416, 5064573020, 10129146040, 20258292080]

約数ペア:

[(1, 20258292080), (2, 10129146040), (4, 5064573020), (5, 4051658416), (8, 2532286510), (10, 2025829208), (13, 1558330160), (16, 1266143255), (17, 1191664240), (20, 1012914604), (26, 779165080), (34, 595832120), (40, 506457302), (52, 389582540), (65, 311666032), (68, 297916060), (80, 253228651), (85, 238332848), (104, 194791270), (130, 155833016), (136, 148958030), (170, 119166424), (208, 97395635), (221, 91666480), (260, 77916508), (272, 74479015), (340, 59583212), (442, 45833240), (520, 38958254), (680, 29791606), (884, 22916620), (1040, 19479127), (1105, 18333296), (1360, 14895803), (1768, 11458310), (2210, 9166648), (3536, 5729155), (4420, 4583324), (8840, 2291662), (17680, 1145831)]