20423188

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1913}}^1$

素因数の和:2091

約数の個数: 24

約数和(自身を含む): 38103912

約数和(自身を除く): 17680724

約数列:

[1, 2, 4, 17, 34, 68, 157, 314, 628, 1913, 2669, 3826, 5338, 7652, 10676, 32521, 65042, 130084, 300341, 600682, 1201364, 5105797, 10211594, 20423188]

約数ペア:

[(1, 20423188), (2, 10211594), (4, 5105797), (17, 1201364), (34, 600682), (68, 300341), (157, 130084), (314, 65042), (628, 32521), (1913, 10676), (2669, 7652), (3826, 5338)]