20425924

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{1747}}^1$

素因数の和:1867

約数の個数: 24

約数和(自身を含む): 37197440

約数和(自身を除く): 16771516

約数列:

[1, 2, 4, 37, 74, 79, 148, 158, 316, 1747, 2923, 3494, 5846, 6988, 11692, 64639, 129278, 138013, 258556, 276026, 552052, 5106481, 10212962, 20425924]

約数ペア:

[(1, 20425924), (2, 10212962), (4, 5106481), (37, 552052), (74, 276026), (79, 258556), (148, 138013), (158, 129278), (316, 64639), (1747, 11692), (2923, 6988), (3494, 5846)]