20317575

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{4441}}^1$

素因数の和:4515

約数の個数: 24

約数和(自身を含む): 34150096

約数和(自身を除く): 13832521

約数列:

[1, 3, 5, 15, 25, 61, 75, 183, 305, 915, 1525, 4441, 4575, 13323, 22205, 66615, 111025, 270901, 333075, 812703, 1354505, 4063515, 6772525, 20317575]

約数ペア:

[(1, 20317575), (3, 6772525), (5, 4063515), (15, 1354505), (25, 812703), (61, 333075), (75, 270901), (183, 111025), (305, 66615), (915, 22205), (1525, 13323), (4441, 4575)]