20906054

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{4933}}^1$

素因数の和:5111

約数の個数: 16

約数和(自身を含む): 33985392

約数和(自身を除く): 13079338

約数列:

[1, 2, 13, 26, 163, 326, 2119, 4238, 4933, 9866, 64129, 128258, 804079, 1608158, 10453027, 20906054]

約数ペア:

[(1, 20906054), (2, 10453027), (13, 1608158), (26, 804079), (163, 128258), (326, 64129), (2119, 9866), (4238, 4933)]