20121520341

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{17790911}}^1$

素因数の和:17790956

約数の個数: 16

約数和(自身を含む): 29888732160

約数和(自身を除く): 9767211819

約数列:

[1, 3, 13, 29, 39, 87, 377, 1131, 17790911, 53372733, 231281843, 515936419, 693845529, 1547809257, 6707173447, 20121520341]

約数ペア:

[(1, 20121520341), (3, 6707173447), (13, 1547809257), (29, 693845529), (39, 515936419), (87, 231281843), (377, 53372733), (1131, 17790911)]