1247732020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2012471}}^1$

素因数の和:2012511

約数の個数: 24

約数和(自身を含む): 2704762368

約数和(自身を除く): 1457030348

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 2012471, 4024942, 8049884, 10062355, 20124710, 40249420, 62386601, 124773202, 249546404, 311933005, 623866010, 1247732020]

約数ペア:

[(1, 1247732020), (2, 623866010), (4, 311933005), (5, 249546404), (10, 124773202), (20, 62386601), (31, 40249420), (62, 20124710), (124, 10062355), (155, 8049884), (310, 4024942), (620, 2012471)]