20280871078

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{383}}^1\times {\mathrm{70229}}^1$

素因数の和:70656

約数の個数: 32

約数和(自身を含む): 33980083200

約数和(自身を除く): 13699212122

約数列:

[1, 2, 13, 26, 29, 58, 377, 383, 754, 766, 4979, 9958, 11107, 22214, 70229, 140458, 144391, 288782, 912977, 1825954, 2036641, 4073282, 26476333, 26897707, 52952666, 53795414, 349670191, 699340382, 780033503, 1560067006, 10140435539, 20280871078]

約数ペア:

[(1, 20280871078), (2, 10140435539), (13, 1560067006), (26, 780033503), (29, 699340382), (58, 349670191), (377, 53795414), (383, 52952666), (754, 26897707), (766, 26476333), (4979, 4073282), (9958, 2036641), (11107, 1825954), (22214, 912977), (70229, 288782), (140458, 144391)]