20156830

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{233}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 37503648

約数和(自身を除く): 17346818

約数列:

[1, 2, 5, 10, 41, 82, 205, 211, 233, 410, 422, 466, 1055, 1165, 2110, 2330, 8651, 9553, 17302, 19106, 43255, 47765, 49163, 86510, 95530, 98326, 245815, 491630, 2015683, 4031366, 10078415, 20156830]

約数ペア:

[(1, 20156830), (2, 10078415), (5, 4031366), (10, 2015683), (41, 491630), (82, 245815), (205, 98326), (211, 95530), (233, 86510), (410, 49163), (422, 47765), (466, 43255), (1055, 19106), (1165, 17302), (2110, 9553), (2330, 8651)]