20403882

素因数分解:

$2^1\times 3^2\times {\mathrm{1039}}^1\times {\mathrm{1091}}^1$

素因数の和:2138

約数の個数: 24

約数和(自身を含む): 44291520

約数和(自身を除く): 23887638

約数列:

[1, 2, 3, 6, 9, 18, 1039, 1091, 2078, 2182, 3117, 3273, 6234, 6546, 9351, 9819, 18702, 19638, 1133549, 2267098, 3400647, 6801294, 10201941, 20403882]

約数ペア:

[(1, 20403882), (2, 10201941), (3, 6801294), (6, 3400647), (9, 2267098), (18, 1133549), (1039, 19638), (1091, 18702), (2078, 9819), (2182, 9351), (3117, 6546), (3273, 6234)]