20739156

素因数分解:

$2^2\times 3^1\times {\mathrm{229}}^1\times {\mathrm{7547}}^1$

素因数の和:7783

約数の個数: 24

約数和(自身を含む): 48609120

約数和(自身を除く): 27869964

約数列:

[1, 2, 3, 4, 6, 12, 229, 458, 687, 916, 1374, 2748, 7547, 15094, 22641, 30188, 45282, 90564, 1728263, 3456526, 5184789, 6913052, 10369578, 20739156]

約数ペア:

[(1, 20739156), (2, 10369578), (3, 6913052), (4, 5184789), (6, 3456526), (12, 1728263), (229, 90564), (458, 45282), (687, 30188), (916, 22641), (1374, 15094), (2748, 7547)]