20791199

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{419}}^1$

素因数の和:790

約数の個数: 16

約数和(自身を含む): 24554880

約数和(自身を除く): 3763681

約数列:

[1, 11, 13, 143, 347, 419, 3817, 4511, 4609, 5447, 49621, 59917, 145393, 1599323, 1890109, 20791199]

約数ペア:

[(1, 20791199), (11, 1890109), (13, 1599323), (143, 145393), (347, 59917), (419, 49621), (3817, 5447), (4511, 4609)]