20911435

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{1229}}^1$

素因数の和:1358

約数の個数: 16

約数和(自身を含む): 26036640

約数和(自身を除く): 5125205

約数列:

[1, 5, 41, 83, 205, 415, 1229, 3403, 6145, 17015, 50389, 102007, 251945, 510035, 4182287, 20911435]

約数ペア:

[(1, 20911435), (5, 4182287), (41, 510035), (83, 251945), (205, 102007), (415, 50389), (1229, 17015), (3403, 6145)]