20728452

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{42131}}^1$

素因数の和:42179

約数の個数: 24

約数和(自身を含む): 49547232

約数和(自身を除く): 28818780

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 492, 42131, 84262, 126393, 168524, 252786, 505572, 1727371, 3454742, 5182113, 6909484, 10364226, 20728452]

約数ペア:

[(1, 20728452), (2, 10364226), (3, 6909484), (4, 5182113), (6, 3454742), (12, 1727371), (41, 505572), (82, 252786), (123, 168524), (164, 126393), (246, 84262), (492, 42131)]