20997852

素因数分解:

$2^2\times 3^1\times {\mathrm{353}}^1\times {\mathrm{4957}}^1$

素因数の和:5317

約数の個数: 24

約数和(自身を含む): 49143696

約数和(自身を除く): 28145844

約数列:

[1, 2, 3, 4, 6, 12, 353, 706, 1059, 1412, 2118, 4236, 4957, 9914, 14871, 19828, 29742, 59484, 1749821, 3499642, 5249463, 6999284, 10498926, 20997852]

約数ペア:

[(1, 20997852), (2, 10498926), (3, 6999284), (4, 5249463), (6, 3499642), (12, 1749821), (353, 59484), (706, 29742), (1059, 19828), (1412, 14871), (2118, 9914), (4236, 4957)]