20196950

素因数分解:

$2^1\times 5^2\times {\mathrm{149}}^1\times {\mathrm{2711}}^1$

素因数の和:2872

約数の個数: 24

約数和(自身を含む): 37832400

約数和(自身を除く): 17635450

約数列:

[1, 2, 5, 10, 25, 50, 149, 298, 745, 1490, 2711, 3725, 5422, 7450, 13555, 27110, 67775, 135550, 403939, 807878, 2019695, 4039390, 10098475, 20196950]

約数ペア:

[(1, 20196950), (2, 10098475), (5, 4039390), (10, 2019695), (25, 807878), (50, 403939), (149, 135550), (298, 67775), (745, 27110), (1490, 13555), (2711, 7450), (3725, 5422)]