20895524

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{1033}}^1$

素因数の和:1439

約数の個数: 24

約数和(自身を含む): 39519480

約数和(自身を除く): 18623956

約数列:

[1, 2, 4, 13, 26, 52, 389, 778, 1033, 1556, 2066, 4132, 5057, 10114, 13429, 20228, 26858, 53716, 401837, 803674, 1607348, 5223881, 10447762, 20895524]

約数ペア:

[(1, 20895524), (2, 10447762), (4, 5223881), (13, 1607348), (26, 803674), (52, 401837), (389, 53716), (778, 26858), (1033, 20228), (1556, 13429), (2066, 10114), (4132, 5057)]