20720110540

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{4563901}}^1$

素因数の和:4564137

約数の個数: 24

約数和(自身を含む): 43703925552

約数和(自身を除く): 22983815012

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4540, 4563901, 9127802, 18255604, 22819505, 45639010, 91278020, 1036005527, 2072011054, 4144022108, 5180027635, 10360055270, 20720110540]

約数ペア:

[(1, 20720110540), (2, 10360055270), (4, 5180027635), (5, 4144022108), (10, 2072011054), (20, 1036005527), (227, 91278020), (454, 45639010), (908, 22819505), (1135, 18255604), (2270, 9127802), (4540, 4563901)]