20813026

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{443}}^1$

素因数の和:610

約数の個数: 24

約数和(自身を含む): 34125840

約数和(自身を除く): 13312814

約数列:

[1, 2, 13, 26, 139, 169, 278, 338, 443, 886, 1807, 3614, 5759, 11518, 23491, 46982, 61577, 74867, 123154, 149734, 800501, 1601002, 10406513, 20813026]

約数ペア:

[(1, 20813026), (2, 10406513), (13, 1601002), (26, 800501), (139, 149734), (169, 123154), (278, 74867), (338, 61577), (443, 46982), (886, 23491), (1807, 11518), (3614, 5759)]