20294989

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{409}}^1$

素因数の和:780

約数の個数: 16

約数和(自身を含む): 23970240

約数和(自身を除く): 3675251

約数列:

[1, 11, 13, 143, 347, 409, 3817, 4499, 4511, 5317, 49621, 58487, 141923, 1561153, 1844999, 20294989]

約数ペア:

[(1, 20294989), (11, 1844999), (13, 1561153), (143, 141923), (347, 58487), (409, 49621), (3817, 5317), (4499, 4511)]