20113575

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 35331072

約数和(自身を除く): 15217497

約数列:

[1, 3, 5, 15, 25, 31, 41, 75, 93, 123, 155, 205, 211, 465, 615, 633, 775, 1025, 1055, 1271, 2325, 3075, 3165, 3813, 5275, 6355, 6541, 8651, 15825, 19065, 19623, 25953, 31775, 32705, 43255, 95325, 98115, 129765, 163525, 216275, 268181, 490575, 648825, 804543, 1340905, 4022715, 6704525, 20113575]

約数ペア:

[(1, 20113575), (3, 6704525), (5, 4022715), (15, 1340905), (25, 804543), (31, 648825), (41, 490575), (75, 268181), (93, 216275), (123, 163525), (155, 129765), (205, 98115), (211, 95325), (465, 43255), (615, 32705), (633, 31775), (775, 25953), (1025, 19623), (1055, 19065), (1271, 15825), (2325, 8651), (3075, 6541), (3165, 6355), (3813, 5275)]