20548100

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{3877}}^1$

素因数の和:3944

約数の個数: 36

約数和(自身を含む): 45442404

約数和(自身を除く): 24894304

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 212, 265, 530, 1060, 1325, 2650, 3877, 5300, 7754, 15508, 19385, 38770, 77540, 96925, 193850, 205481, 387700, 410962, 821924, 1027405, 2054810, 4109620, 5137025, 10274050, 20548100]

約数ペア:

[(1, 20548100), (2, 10274050), (4, 5137025), (5, 4109620), (10, 2054810), (20, 1027405), (25, 821924), (50, 410962), (53, 387700), (100, 205481), (106, 193850), (212, 96925), (265, 77540), (530, 38770), (1060, 19385), (1325, 15508), (2650, 7754), (3877, 5300)]