20401236

素因数分解:

$2^2\times 3^2\times {\mathrm{566701}}^1$

素因数の和:566711

約数の個数: 18

約数和(自身を含む): 51569882

約数和(自身を除く): 31168646

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 566701, 1133402, 1700103, 2266804, 3400206, 5100309, 6800412, 10200618, 20401236]

約数ペア:

[(1, 20401236), (2, 10200618), (3, 6800412), (4, 5100309), (6, 3400206), (9, 2266804), (12, 1700103), (18, 1133402), (36, 566701)]