20855252

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{3019}}^1$

素因数の和:3191

約数の個数: 24

約数和(自身を含む): 40081440

約数和(自身を除く): 19226188

約数列:

[1, 2, 4, 11, 22, 44, 157, 314, 628, 1727, 3019, 3454, 6038, 6908, 12076, 33209, 66418, 132836, 473983, 947966, 1895932, 5213813, 10427626, 20855252]

約数ペア:

[(1, 20855252), (2, 10427626), (4, 5213813), (11, 1895932), (22, 947966), (44, 473983), (157, 132836), (314, 66418), (628, 33209), (1727, 12076), (3019, 6908), (3454, 6038)]