20184877660

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{3927019}}^1$

素因数の和:3927285

約数の個数: 24

約数和(自身を含む): 42553188720

約数和(自身を除く): 22368311060

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 3927019, 7854038, 15708076, 19635095, 39270190, 78540380, 1009243883, 2018487766, 4036975532, 5046219415, 10092438830, 20184877660]

約数ペア:

[(1, 20184877660), (2, 10092438830), (4, 5046219415), (5, 4036975532), (10, 2018487766), (20, 1009243883), (257, 78540380), (514, 39270190), (1028, 19635095), (1285, 15708076), (2570, 7854038), (5140, 3927019)]