20010416

素因数分解:

$2^4\times {\mathrm{647}}^1\times {\mathrm{1933}}^1$

素因数の和:2588

約数の個数: 20

約数和(自身を含む): 38850192

約数和(自身を除く): 18839776

約数列:

[1, 2, 4, 8, 16, 647, 1294, 1933, 2588, 3866, 5176, 7732, 10352, 15464, 30928, 1250651, 2501302, 5002604, 10005208, 20010416]

約数ペア:

[(1, 20010416), (2, 10005208), (4, 5002604), (8, 2501302), (16, 1250651), (647, 30928), (1294, 15464), (1933, 10352), (2588, 7732), (3866, 5176)]