20728488

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{78517}}^1$

素因数の和:78537

約数の個数: 32

約数和(自身を含む): 56532960

約数和(自身を除く): 35804472

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 78517, 157034, 235551, 314068, 471102, 628136, 863687, 942204, 1727374, 1884408, 2591061, 3454748, 5182122, 6909496, 10364244, 20728488]

約数ペア:

[(1, 20728488), (2, 10364244), (3, 6909496), (4, 5182122), (6, 3454748), (8, 2591061), (11, 1884408), (12, 1727374), (22, 942204), (24, 863687), (33, 628136), (44, 471102), (66, 314068), (88, 235551), (132, 157034), (264, 78517)]