20748434

素因数分解:

$2^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{7523}}^1$

素因数の和:7729

約数の個数: 16

約数和(自身を含む): 35754048

約数和(自身を除く): 15005614

約数列:

[1, 2, 7, 14, 197, 394, 1379, 2758, 7523, 15046, 52661, 105322, 1482031, 2964062, 10374217, 20748434]

約数ペア:

[(1, 20748434), (2, 10374217), (7, 2964062), (14, 1482031), (197, 105322), (394, 52661), (1379, 15046), (2758, 7523)]