20839315

素因数分解:

$5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{1571}}^1$

素因数の和:1962

約数の個数: 16

約数和(自身を含む): 28673280

約数和(自身を除く): 7833965

約数列:

[1, 5, 7, 35, 379, 1571, 1895, 2653, 7855, 10997, 13265, 54985, 595409, 2977045, 4167863, 20839315]

約数ペア:

[(1, 20839315), (5, 4167863), (7, 2977045), (35, 595409), (379, 54985), (1571, 13265), (1895, 10997), (2653, 7855)]