20939566

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{2423}}^1$

素因数の和:2603

約数の個数: 16

約数和(自身を含む): 32724000

約数和(自身を除く): 11784434

約数列:

[1, 2, 29, 58, 149, 298, 2423, 4321, 4846, 8642, 70267, 140534, 361027, 722054, 10469783, 20939566]

約数ペア:

[(1, 20939566), (2, 10469783), (29, 722054), (58, 361027), (149, 140534), (298, 70267), (2423, 8642), (4321, 4846)]