20341820

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{3313}}^1$

素因数の和:3629

約数の個数: 24

約数和(自身を含む): 42869904

約数和(自身を除く): 22528084

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1228, 1535, 3070, 3313, 6140, 6626, 13252, 16565, 33130, 66260, 1017091, 2034182, 4068364, 5085455, 10170910, 20341820]

約数ペア:

[(1, 20341820), (2, 10170910), (4, 5085455), (5, 4068364), (10, 2034182), (20, 1017091), (307, 66260), (614, 33130), (1228, 16565), (1535, 13252), (3070, 6626), (3313, 6140)]