20444815

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1279}}^1$

素因数の和:1446

約数の個数: 16

約数和(自身を含む): 25804800

約数和(自身を除く): 5359985

約数列:

[1, 5, 23, 115, 139, 695, 1279, 3197, 6395, 15985, 29417, 147085, 177781, 888905, 4088963, 20444815]

約数ペア:

[(1, 20444815), (5, 4088963), (23, 888905), (115, 177781), (139, 147085), (695, 29417), (1279, 15985), (3197, 6395)]