20246785

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{467}}^1$

素因数の和:537

約数の個数: 32

約数和(自身を含む): 28304640

約数和(自身を除く): 8057855

約数列:

[1, 5, 13, 23, 29, 65, 115, 145, 299, 377, 467, 667, 1495, 1885, 2335, 3335, 6071, 8671, 10741, 13543, 30355, 43355, 53705, 67715, 139633, 176059, 311489, 698165, 880295, 1557445, 4049357, 20246785]

約数ペア:

[(1, 20246785), (5, 4049357), (13, 1557445), (23, 880295), (29, 698165), (65, 311489), (115, 176059), (145, 139633), (299, 67715), (377, 53705), (467, 43355), (667, 30355), (1495, 13543), (1885, 10741), (2335, 8671), (3335, 6071)]