20461136

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{11317}}^1$

素因数の和:11438

約数の個数: 20

約数和(自身を含む): 39997812

約数和(自身を除く): 19536676

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 11317, 22634, 45268, 90536, 181072, 1278821, 2557642, 5115284, 10230568, 20461136]

約数ペア:

[(1, 20461136), (2, 10230568), (4, 5115284), (8, 2557642), (16, 1278821), (113, 181072), (226, 90536), (452, 45268), (904, 22634), (1808, 11317)]