20187416

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{61547}}^1$

素因数の和:61594

約数の個数: 16

約数和(自身を含む): 38775240

約数和(自身を除く): 18587824

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 61547, 123094, 246188, 492376, 2523427, 5046854, 10093708, 20187416]

約数ペア:

[(1, 20187416), (2, 10093708), (4, 5046854), (8, 2523427), (41, 492376), (82, 246188), (164, 123094), (328, 61547)]