20009081967

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{30735917}}^1$

素因数の和:30735958

約数の個数: 16

約数和(自身を含む): 31473580032

約数和(自身を除く): 11464498065

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 30735917, 92207751, 215151419, 645454257, 952813427, 2858440281, 6669693989, 20009081967]

約数ペア:

[(1, 20009081967), (3, 6669693989), (7, 2858440281), (21, 952813427), (31, 645454257), (93, 215151419), (217, 92207751), (651, 30735917)]