20023645

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{613}}^1$

素因数の和:804

約数の個数: 16

約数和(自身を含む): 24756480

約数和(自身を除く): 4732835

約数列:

[1, 5, 47, 139, 235, 613, 695, 3065, 6533, 28811, 32665, 85207, 144055, 426035, 4004729, 20023645]

約数ペア:

[(1, 20023645), (5, 4004729), (47, 426035), (139, 144055), (235, 85207), (613, 32665), (695, 28811), (3065, 6533)]