20817036

素因数分解:

$2^2\times 3^2\times {\mathrm{578251}}^1$

素因数の和:578261

約数の個数: 18

約数和(自身を含む): 52620932

約数和(自身を除く): 31803896

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 578251, 1156502, 1734753, 2313004, 3469506, 5204259, 6939012, 10408518, 20817036]

約数ペア:

[(1, 20817036), (2, 10408518), (3, 6939012), (4, 5204259), (6, 3469506), (9, 2313004), (12, 1734753), (18, 1156502), (36, 578251)]