20313812

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1951}}^1$

素因数の和:2111

約数の個数: 24

約数和(自身を含む): 37712640

約数和(自身を除く): 17398828

約数列:

[1, 2, 4, 19, 38, 76, 137, 274, 548, 1951, 2603, 3902, 5206, 7804, 10412, 37069, 74138, 148276, 267287, 534574, 1069148, 5078453, 10156906, 20313812]

約数ペア:

[(1, 20313812), (2, 10156906), (4, 5078453), (19, 1069148), (38, 534574), (76, 267287), (137, 148276), (274, 74138), (548, 37069), (1951, 10412), (2603, 7804), (3902, 5206)]