20106541

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{401}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 27014400

約数和(自身を除く): 6907859

約数列:

[1, 7, 13, 19, 29, 91, 133, 203, 247, 377, 401, 551, 1729, 2639, 2807, 3857, 5213, 7163, 7619, 11629, 36491, 50141, 53333, 81403, 99047, 151177, 220951, 693329, 1058239, 1546657, 2872363, 20106541]

約数ペア:

[(1, 20106541), (7, 2872363), (13, 1546657), (19, 1058239), (29, 693329), (91, 220951), (133, 151177), (203, 99047), (247, 81403), (377, 53333), (401, 50141), (551, 36491), (1729, 11629), (2639, 7619), (2807, 7163), (3857, 5213)]