20500428

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131413}}^1$

素因数の和:131433

約数の個数: 24

約数和(自身を含む): 51514288

約数和(自身を除く): 31013860

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 131413, 262826, 394239, 525652, 788478, 1576956, 1708369, 3416738, 5125107, 6833476, 10250214, 20500428]

約数ペア:

[(1, 20500428), (2, 10250214), (3, 6833476), (4, 5125107), (6, 3416738), (12, 1708369), (13, 1576956), (26, 788478), (39, 525652), (52, 394239), (78, 262826), (156, 131413)]