20177884525

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{108761}}^1$

素因数の和:108993

約数の個数: 24

約数和(自身を含む): 25772678568

約数和(自身を除く): 5594794043

約数列:

[1, 5, 25, 41, 181, 205, 905, 1025, 4525, 7421, 37105, 108761, 185525, 543805, 2719025, 4459201, 19685741, 22296005, 98428705, 111480025, 492143525, 807115381, 4035576905, 20177884525]

約数ペア:

[(1, 20177884525), (5, 4035576905), (25, 807115381), (41, 492143525), (181, 111480025), (205, 98428705), (905, 22296005), (1025, 19685741), (4525, 4459201), (7421, 2719025), (37105, 543805), (108761, 185525)]