20740993

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{719}}^1$

素因数の和:1056

約数の個数: 16

約数和(自身を含む): 25643520

約数和(自身を除く): 4902527

約数列:

[1, 7, 13, 91, 317, 719, 2219, 4121, 5033, 9347, 28847, 65429, 227923, 1595461, 2962999, 20740993]

約数ペア:

[(1, 20740993), (7, 2962999), (13, 1595461), (91, 227923), (317, 65429), (719, 28847), (2219, 9347), (4121, 5033)]