64562020

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{68683}}^1$

素因数の和:68739

約数の個数: 24

約数和(自身を含む): 138466944

約数和(自身を除く): 73904924

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 68683, 137366, 274732, 343415, 686830, 1373660, 3228101, 6456202, 12912404, 16140505, 32281010, 64562020]

約数ペア:

[(1, 64562020), (2, 32281010), (4, 16140505), (5, 12912404), (10, 6456202), (20, 3228101), (47, 1373660), (94, 686830), (188, 343415), (235, 274732), (470, 137366), (940, 68683)]