13354420

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4253}}^1$

素因数の和:4419

約数の個数: 24

約数和(自身を含む): 28229544

約数和(自身を除く): 14875124

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 4253, 8506, 17012, 21265, 42530, 85060, 667721, 1335442, 2670884, 3338605, 6677210, 13354420]

約数ペア:

[(1, 13354420), (2, 6677210), (4, 3338605), (5, 2670884), (10, 1335442), (20, 667721), (157, 85060), (314, 42530), (628, 21265), (785, 17012), (1570, 8506), (3140, 4253)]