20257164

素因数分解:

$2^2\times 3^2\times {\mathrm{562699}}^1$

素因数の和:562709

約数の個数: 18

約数和(自身を含む): 51205700

約数和(自身を除く): 30948536

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 562699, 1125398, 1688097, 2250796, 3376194, 5064291, 6752388, 10128582, 20257164]

約数ペア:

[(1, 20257164), (2, 10128582), (3, 6752388), (4, 5064291), (6, 3376194), (9, 2250796), (12, 1688097), (18, 1125398), (36, 562699)]