20179779850

素因数分解:

$2^1\times 5^2\times {\mathrm{6229}}^1\times {\mathrm{64793}}^1$

素因数の和:71034

約数の個数: 24

約数和(自身を含む): 37540995660

約数和(自身を除く): 17361215810

約数列:

[1, 2, 5, 10, 25, 50, 6229, 12458, 31145, 62290, 64793, 129586, 155725, 311450, 323965, 647930, 1619825, 3239650, 403595597, 807191194, 2017977985, 4035955970, 10089889925, 20179779850]

約数ペア:

[(1, 20179779850), (2, 10089889925), (5, 4035955970), (10, 2017977985), (25, 807191194), (50, 403595597), (6229, 3239650), (12458, 1619825), (31145, 647930), (62290, 323965), (64793, 311450), (129586, 155725)]