20462572

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{6451}}^1$

素因数の和:6529

約数の個数: 24

約数和(自身を含む): 39202352

約数和(自身を除く): 18739780

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 6451, 12902, 25804, 83863, 167726, 335452, 393511, 787022, 1574044, 5115643, 10231286, 20462572]

約数ペア:

[(1, 20462572), (2, 10231286), (4, 5115643), (13, 1574044), (26, 787022), (52, 393511), (61, 335452), (122, 167726), (244, 83863), (793, 25804), (1586, 12902), (3172, 6451)]