20980091

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{743}}^1$

素因数の和:922

約数の個数: 16

約数和(自身を含む): 24427008

約数和(自身を除く): 3446917

約数列:

[1, 11, 17, 151, 187, 743, 1661, 2567, 8173, 12631, 28237, 112193, 138941, 1234123, 1907281, 20980091]

約数ペア:

[(1, 20980091), (11, 1907281), (17, 1234123), (151, 138941), (187, 112193), (743, 28237), (1661, 12631), (2567, 8173)]