20974284

素因数分解:

$2^2\times 3^2\times {\mathrm{257}}^1\times {\mathrm{2267}}^1$

素因数の和:2534

約数の個数: 36

約数和(自身を含む): 53248104

約数和(自身を除く): 32273820

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 257, 514, 771, 1028, 1542, 2267, 2313, 3084, 4534, 4626, 6801, 9068, 9252, 13602, 20403, 27204, 40806, 81612, 582619, 1165238, 1747857, 2330476, 3495714, 5243571, 6991428, 10487142, 20974284]

約数ペア:

[(1, 20974284), (2, 10487142), (3, 6991428), (4, 5243571), (6, 3495714), (9, 2330476), (12, 1747857), (18, 1165238), (36, 582619), (257, 81612), (514, 40806), (771, 27204), (1028, 20403), (1542, 13602), (2267, 9252), (2313, 9068), (3084, 6801), (4534, 4626)]