20445796

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{4651}}^1$

素因数の和:4819

約数の個数: 24

約数和(自身を含む): 41160896

約数和(自身を除く): 20715100

約数列:

[1, 2, 4, 7, 14, 28, 157, 314, 628, 1099, 2198, 4396, 4651, 9302, 18604, 32557, 65114, 130228, 730207, 1460414, 2920828, 5111449, 10222898, 20445796]

約数ペア:

[(1, 20445796), (2, 10222898), (4, 5111449), (7, 2920828), (14, 1460414), (28, 730207), (157, 130228), (314, 65114), (628, 32557), (1099, 18604), (2198, 9302), (4396, 4651)]