20486438

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{18523}}^1$

素因数の和:18611

約数の個数: 16

約数和(自身を含む): 35566080

約数和(自身を除く): 15079642

約数列:

[1, 2, 7, 14, 79, 158, 553, 1106, 18523, 37046, 129661, 259322, 1463317, 2926634, 10243219, 20486438]

約数ペア:

[(1, 20486438), (2, 10243219), (7, 2926634), (14, 1463317), (79, 259322), (158, 129661), (553, 37046), (1106, 18523)]