20531870

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89269}}^1$

素因数の和:89299

約数の個数: 16

約数和(自身を含む): 38564640

約数和(自身を除く): 18032770

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 89269, 178538, 446345, 892690, 2053187, 4106374, 10265935, 20531870]

約数ペア:

[(1, 20531870), (2, 10265935), (5, 4106374), (10, 2053187), (23, 892690), (46, 446345), (115, 178538), (230, 89269)]