20147800939

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{10028771}}^1$

素因数の和:10028826

約数の個数: 12

約数和(自身を含む): 24008880168

約数和(自身を除く): 3861079229

約数列:

[1, 7, 41, 49, 287, 2009, 10028771, 70201397, 411179611, 491409779, 2878257277, 20147800939]

約数ペア:

[(1, 20147800939), (7, 2878257277), (41, 491409779), (49, 411179611), (287, 70201397), (2009, 10028771)]