20568279

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{541}}^1$

素因数の和:615

約数の個数: 32

約数和(自身を含む): 31219200

約数和(自身を除く): 10650921

約数列:

[1, 3, 19, 23, 29, 57, 69, 87, 437, 541, 551, 667, 1311, 1623, 1653, 2001, 10279, 12443, 12673, 15689, 30837, 37329, 38019, 47067, 236417, 298091, 360847, 709251, 894273, 1082541, 6856093, 20568279]

約数ペア:

[(1, 20568279), (3, 6856093), (19, 1082541), (23, 894273), (29, 709251), (57, 360847), (69, 298091), (87, 236417), (437, 47067), (541, 38019), (551, 37329), (667, 30837), (1311, 15689), (1623, 12673), (1653, 12443), (2001, 10279)]