20626605

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3499}}^1$

素因数の和:3641

約数の個数: 24

約数和(自身を含む): 36036000

約数和(自身を除く): 15409395

約数列:

[1, 3, 5, 9, 15, 45, 131, 393, 655, 1179, 1965, 3499, 5895, 10497, 17495, 31491, 52485, 157455, 458369, 1375107, 2291845, 4125321, 6875535, 20626605]

約数ペア:

[(1, 20626605), (3, 6875535), (5, 4125321), (9, 2291845), (15, 1375107), (45, 458369), (131, 157455), (393, 52485), (655, 31491), (1179, 17495), (1965, 10497), (3499, 5895)]