20064605

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{4099}}^1$

素因数の和:4204

約数の個数: 16

約数和(自身を含む): 26568000

約数和(自身を除く): 6503395

約数列:

[1, 5, 11, 55, 89, 445, 979, 4099, 4895, 20495, 45089, 225445, 364811, 1824055, 4012921, 20064605]

約数ペア:

[(1, 20064605), (5, 4012921), (11, 1824055), (55, 364811), (89, 225445), (445, 45089), (979, 20495), (4099, 4895)]