20501805

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{9833}}^1$

素因数の和:9980

約数の個数: 16

約数和(自身を含む): 33042240

約数和(自身を除く): 12540435

約数列:

[1, 3, 5, 15, 139, 417, 695, 2085, 9833, 29499, 49165, 147495, 1366787, 4100361, 6833935, 20501805]

約数ペア:

[(1, 20501805), (3, 6833935), (5, 4100361), (15, 1366787), (139, 147495), (417, 49165), (695, 29499), (2085, 9833)]