20187088

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{30773}}^1$

素因数の和:30822

約数の個数: 20

約数和(自身を含む): 40067748

約数和(自身を除く): 19880660

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 30773, 61546, 123092, 246184, 492368, 1261693, 2523386, 5046772, 10093544, 20187088]

約数ペア:

[(1, 20187088), (2, 10093544), (4, 5046772), (8, 2523386), (16, 1261693), (41, 492368), (82, 246184), (164, 123092), (328, 61546), (656, 30773)]