20023815

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10037}}^1$

素因数の和:10071

約数の個数: 32

約数和(自身を含む): 38545920

約数和(自身を除く): 18522105

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 10037, 30111, 50185, 70259, 150555, 190703, 210777, 351295, 572109, 953515, 1053885, 1334921, 2860545, 4004763, 6674605, 20023815]

約数ペア:

[(1, 20023815), (3, 6674605), (5, 4004763), (7, 2860545), (15, 1334921), (19, 1053885), (21, 953515), (35, 572109), (57, 351295), (95, 210777), (105, 190703), (133, 150555), (285, 70259), (399, 50185), (665, 30111), (1995, 10037)]