20279288

素因数分解:

$2^3\times {\mathrm{137}}^1\times {\mathrm{18503}}^1$

素因数の和:18646

約数の個数: 16

約数和(自身を含む): 38303280

約数和(自身を除く): 18023992

約数列:

[1, 2, 4, 8, 137, 274, 548, 1096, 18503, 37006, 74012, 148024, 2534911, 5069822, 10139644, 20279288]

約数ペア:

[(1, 20279288), (2, 10139644), (4, 5069822), (8, 2534911), (137, 148024), (274, 74012), (548, 37006), (1096, 18503)]