20123341791

素因数分解:

$3^1\times 7^1\times {\mathrm{2099}}^1\times {\mathrm{456529}}^1$

素因数の和:458638

約数の個数: 16

約数和(自身を含む): 30678816000

約数和(自身を除く): 10555474209

約数列:

[1, 3, 7, 21, 2099, 6297, 14693, 44079, 456529, 1369587, 3195703, 9587109, 958254371, 2874763113, 6707780597, 20123341791]

約数ペア:

[(1, 20123341791), (3, 6707780597), (7, 2874763113), (21, 958254371), (2099, 9587109), (6297, 3195703), (14693, 1369587), (44079, 456529)]