20222225

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:341

約数の個数: 24

約数和(自身を含む): 26066040

約数和(自身を除く): 5843815

約数列:

[1, 5, 25, 41, 109, 181, 205, 545, 905, 1025, 2725, 4469, 4525, 7421, 19729, 22345, 37105, 98645, 111725, 185525, 493225, 808889, 4044445, 20222225]

約数ペア:

[(1, 20222225), (5, 4044445), (25, 808889), (41, 493225), (109, 185525), (181, 111725), (205, 98645), (545, 37105), (905, 22345), (1025, 19729), (2725, 7421), (4469, 4525)]