20203430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{233}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 42456960

約数和(自身を除く): 22253530

約数列:

[1, 2, 5, 10, 13, 23, 26, 29, 46, 58, 65, 115, 130, 145, 230, 233, 290, 299, 377, 466, 598, 667, 754, 1165, 1334, 1495, 1885, 2330, 2990, 3029, 3335, 3770, 5359, 6058, 6670, 6757, 8671, 10718, 13514, 15145, 17342, 26795, 30290, 33785, 43355, 53590, 67570, 69667, 86710, 87841, 139334, 155411, 175682, 310822, 348335, 439205, 696670, 777055, 878410, 1554110, 2020343, 4040686, 10101715, 20203430]

約数ペア:

[(1, 20203430), (2, 10101715), (5, 4040686), (10, 2020343), (13, 1554110), (23, 878410), (26, 777055), (29, 696670), (46, 439205), (58, 348335), (65, 310822), (115, 175682), (130, 155411), (145, 139334), (230, 87841), (233, 86710), (290, 69667), (299, 67570), (377, 53590), (466, 43355), (598, 33785), (667, 30290), (754, 26795), (1165, 17342), (1334, 15145), (1495, 13514), (1885, 10718), (2330, 8671), (2990, 6757), (3029, 6670), (3335, 6058), (3770, 5359)]