20447306

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{4447}}^1$

素因数の和:4490

約数の個数: 24

約数和(自身を含む): 35495040

約数和(自身を除く): 15047734

約数列:

[1, 2, 11, 19, 22, 38, 121, 209, 242, 418, 2299, 4447, 4598, 8894, 48917, 84493, 97834, 168986, 538087, 929423, 1076174, 1858846, 10223653, 20447306]

約数ペア:

[(1, 20447306), (2, 10223653), (11, 1858846), (19, 1076174), (22, 929423), (38, 538087), (121, 168986), (209, 97834), (242, 84493), (418, 48917), (2299, 8894), (4447, 4598)]