20957524

素因数分解:

$2^2\times 7^1\times {\mathrm{449}}^1\times {\mathrm{1667}}^1$

素因数の和:2127

約数の個数: 24

約数和(自身を含む): 42033600

約数和(自身を除く): 21076076

約数列:

[1, 2, 4, 7, 14, 28, 449, 898, 1667, 1796, 3143, 3334, 6286, 6668, 11669, 12572, 23338, 46676, 748483, 1496966, 2993932, 5239381, 10478762, 20957524]

約数ペア:

[(1, 20957524), (2, 10478762), (4, 5239381), (7, 2993932), (14, 1496966), (28, 748483), (449, 46676), (898, 23338), (1667, 12572), (1796, 11669), (3143, 6668), (3334, 6286)]