20959078

素因数分解:

$2^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{7523}}^1$

素因数の和:7731

約数の個数: 16

約数和(自身を含む): 36115200

約数和(自身を除く): 15156122

約数列:

[1, 2, 7, 14, 199, 398, 1393, 2786, 7523, 15046, 52661, 105322, 1497077, 2994154, 10479539, 20959078]

約数ペア:

[(1, 20959078), (2, 10479539), (7, 2994154), (14, 1497077), (199, 105322), (398, 52661), (1393, 15046), (2786, 7523)]