20422549

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3571}}^1$

素因数の和:3640

約数の個数: 16

約数和(自身を含む): 25146880

約数和(自身を除く): 4724331

約数列:

[1, 7, 19, 43, 133, 301, 817, 3571, 5719, 24997, 67849, 153553, 474943, 1074871, 2917507, 20422549]

約数ペア:

[(1, 20422549), (7, 2917507), (19, 1074871), (43, 474943), (133, 153553), (301, 67849), (817, 24997), (3571, 5719)]