20198633

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{857}}^1$

素因数の和:921

約数の個数: 24

約数和(自身を含む): 26017992

約数和(自身を除く): 5819359

約数列:

[1, 7, 13, 37, 49, 91, 259, 481, 637, 857, 1813, 3367, 5999, 11141, 23569, 31709, 41993, 77987, 221963, 412217, 545909, 1553741, 2885519, 20198633]

約数ペア:

[(1, 20198633), (7, 2885519), (13, 1553741), (37, 545909), (49, 412217), (91, 221963), (259, 77987), (481, 41993), (637, 31709), (857, 23569), (1813, 11141), (3367, 5999)]