20007268

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{167}}^1\times {\mathrm{491}}^1$

素因数の和:723

約数の個数: 24

約数和(自身を含む): 35872704

約数和(自身を除く): 15865436

約数列:

[1, 2, 4, 61, 122, 167, 244, 334, 491, 668, 982, 1964, 10187, 20374, 29951, 40748, 59902, 81997, 119804, 163994, 327988, 5001817, 10003634, 20007268]

約数ペア:

[(1, 20007268), (2, 10003634), (4, 5001817), (61, 327988), (122, 163994), (167, 119804), (244, 81997), (334, 59902), (491, 40748), (668, 29951), (982, 20374), (1964, 10187)]