20656876

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{5783}}^1$

素因数の和:5853

約数の個数: 24

約数和(自身を含む): 38868480

約数和(自身を除く): 18211604

約数列:

[1, 2, 4, 19, 38, 47, 76, 94, 188, 893, 1786, 3572, 5783, 11566, 23132, 109877, 219754, 271801, 439508, 543602, 1087204, 5164219, 10328438, 20656876]

約数ペア:

[(1, 20656876), (2, 10328438), (4, 5164219), (19, 1087204), (38, 543602), (47, 439508), (76, 271801), (94, 219754), (188, 109877), (893, 23132), (1786, 11566), (3572, 5783)]