11208020

素因数分解:

$2^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{811}}^1$

素因数の和:1511

約数の個数: 24

約数和(自身を含む): 23599968

約数和(自身を除く): 12391948

約数列:

[1, 2, 4, 5, 10, 20, 691, 811, 1382, 1622, 2764, 3244, 3455, 4055, 6910, 8110, 13820, 16220, 560401, 1120802, 2241604, 2802005, 5604010, 11208020]

約数ペア:

[(1, 11208020), (2, 5604010), (4, 2802005), (5, 2241604), (10, 1120802), (20, 560401), (691, 16220), (811, 13820), (1382, 8110), (1622, 6910), (2764, 4055), (3244, 3455)]