20491192

素因数分解:

$2^3\times {\mathrm{37}}^2\times {\mathrm{1871}}^1$

素因数の和:1951

約数の個数: 24

約数和(自身を含む): 39508560

約数和(自身を除く): 19017368

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 1369, 1871, 2738, 3742, 5476, 7484, 10952, 14968, 69227, 138454, 276908, 553816, 2561399, 5122798, 10245596, 20491192]

約数ペア:

[(1, 20491192), (2, 10245596), (4, 5122798), (8, 2561399), (37, 553816), (74, 276908), (148, 138454), (296, 69227), (1369, 14968), (1871, 10952), (2738, 7484), (3742, 5476)]