20111792380

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{3172207}}^1$

素因数の和:3172533

約数の個数: 24

約数和(自身を含む): 42368010048

約数和(自身を除く): 22256217668

約数列:

[1, 2, 4, 5, 10, 20, 317, 634, 1268, 1585, 3170, 6340, 3172207, 6344414, 12688828, 15861035, 31722070, 63444140, 1005589619, 2011179238, 4022358476, 5027948095, 10055896190, 20111792380]

約数ペア:

[(1, 20111792380), (2, 10055896190), (4, 5027948095), (5, 4022358476), (10, 2011179238), (20, 1005589619), (317, 63444140), (634, 31722070), (1268, 15861035), (1585, 12688828), (3170, 6344414), (6340, 3172207)]