20897820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{116099}}^1$

素因数の和:116114

約数の個数: 36

約数和(自身を含む): 63390600

約数和(自身を除く): 42492780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 116099, 232198, 348297, 464396, 580495, 696594, 1044891, 1160990, 1393188, 1741485, 2089782, 2321980, 3482970, 4179564, 5224455, 6965940, 10448910, 20897820]

約数ペア:

[(1, 20897820), (2, 10448910), (3, 6965940), (4, 5224455), (5, 4179564), (6, 3482970), (9, 2321980), (10, 2089782), (12, 1741485), (15, 1393188), (18, 1160990), (20, 1044891), (30, 696594), (36, 580495), (45, 464396), (60, 348297), (90, 232198), (180, 116099)]