31712020

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{29917}}^1$

素因数の和:29979

約数の個数: 24

約数和(自身を含む): 67854024

約数和(自身を除く): 36142004

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 29917, 59834, 119668, 149585, 299170, 598340, 1585601, 3171202, 6342404, 7928005, 15856010, 31712020]

約数ペア:

[(1, 31712020), (2, 15856010), (4, 7928005), (5, 6342404), (10, 3171202), (20, 1585601), (53, 598340), (106, 299170), (212, 149585), (265, 119668), (530, 59834), (1060, 29917)]