20111255725

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{541}}^1\times {\mathrm{12289}}^1$

素因数の和:12862

約数の個数: 36

約数和(自身を含む): 27464045140

約数和(自身を除く): 7352789415

約数列:

[1, 5, 11, 25, 55, 121, 275, 541, 605, 2705, 3025, 5951, 12289, 13525, 29755, 61445, 65461, 135179, 148775, 307225, 327305, 675895, 1486969, 1636525, 3379475, 6648349, 7434845, 33241745, 37174225, 73131839, 166208725, 365659195, 804450229, 1828295975, 4022251145, 20111255725]

約数ペア:

[(1, 20111255725), (5, 4022251145), (11, 1828295975), (25, 804450229), (55, 365659195), (121, 166208725), (275, 73131839), (541, 37174225), (605, 33241745), (2705, 7434845), (3025, 6648349), (5951, 3379475), (12289, 1636525), (13525, 1486969), (29755, 675895), (61445, 327305), (65461, 307225), (135179, 148775)]