20156652

素因数分解:

$2^2\times 3^2\times {\mathrm{559907}}^1$

素因数の和:559917

約数の個数: 18

約数和(自身を含む): 50951628

約数和(自身を除く): 30794976

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 559907, 1119814, 1679721, 2239628, 3359442, 5039163, 6718884, 10078326, 20156652]

約数ペア:

[(1, 20156652), (2, 10078326), (3, 6718884), (4, 5039163), (6, 3359442), (9, 2239628), (12, 1679721), (18, 1119814), (36, 559907)]