20806591690

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{139}}^2\times {\mathrm{953}}^1$

素因数の和:1351

約数の個数: 48

約数和(自身を含む): 38097009288

約数和(自身を除く): 17290417598

約数列:

[1, 2, 5, 10, 113, 139, 226, 278, 565, 695, 953, 1130, 1390, 1906, 4765, 9530, 15707, 19321, 31414, 38642, 78535, 96605, 107689, 132467, 157070, 193210, 215378, 264934, 538445, 662335, 1076890, 1324670, 2183273, 4366546, 10916365, 14968771, 18412913, 21832730, 29937542, 36825826, 74843855, 92064565, 149687710, 184129130, 2080659169, 4161318338, 10403295845, 20806591690]

約数ペア:

[(1, 20806591690), (2, 10403295845), (5, 4161318338), (10, 2080659169), (113, 184129130), (139, 149687710), (226, 92064565), (278, 74843855), (565, 36825826), (695, 29937542), (953, 21832730), (1130, 18412913), (1390, 14968771), (1906, 10916365), (4765, 4366546), (9530, 2183273), (15707, 1324670), (19321, 1076890), (31414, 662335), (38642, 538445), (78535, 264934), (96605, 215378), (107689, 193210), (132467, 157070)]