20468150

素因数分解:

$2^1\times 5^2\times {\mathrm{419}}^1\times {\mathrm{977}}^1$

素因数の和:1408

約数の個数: 24

約数和(自身を含む): 38200680

約数和(自身を除く): 17732530

約数列:

[1, 2, 5, 10, 25, 50, 419, 838, 977, 1954, 2095, 4190, 4885, 9770, 10475, 20950, 24425, 48850, 409363, 818726, 2046815, 4093630, 10234075, 20468150]

約数ペア:

[(1, 20468150), (2, 10234075), (5, 4093630), (10, 2046815), (25, 818726), (50, 409363), (419, 48850), (838, 24425), (977, 20950), (1954, 10475), (2095, 9770), (4190, 4885)]