20173325

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:353

約数の個数: 24

約数和(自身を含む): 26052648

約数和(自身を除く): 5879323

約数列:

[1, 5, 25, 37, 113, 185, 193, 565, 925, 965, 2825, 4181, 4825, 7141, 20905, 21809, 35705, 104525, 109045, 178525, 545225, 806933, 4034665, 20173325]

約数ペア:

[(1, 20173325), (5, 4034665), (25, 806933), (37, 545225), (113, 178525), (185, 109045), (193, 104525), (565, 35705), (925, 21809), (965, 20905), (2825, 7141), (4181, 4825)]