20254385

素因数分解:

$5^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1\times {\mathrm{193}}^1$

素因数の和:488

約数の個数: 16

約数和(自身を含む): 24769920

約数和(自身を除く): 4515535

約数列:

[1, 5, 139, 151, 193, 695, 755, 965, 20989, 26827, 29143, 104945, 134135, 145715, 4050877, 20254385]

約数ペア:

[(1, 20254385), (5, 4050877), (139, 145715), (151, 134135), (193, 104945), (695, 29143), (755, 26827), (965, 20989)]