20091676

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{2551}}^1$

素因数の和:2745

約数の個数: 24

約数和(自身を含む): 38586240

約数和(自身を除く): 18494564

約数列:

[1, 2, 4, 11, 22, 44, 179, 358, 716, 1969, 2551, 3938, 5102, 7876, 10204, 28061, 56122, 112244, 456629, 913258, 1826516, 5022919, 10045838, 20091676]

約数ペア:

[(1, 20091676), (2, 10045838), (4, 5022919), (11, 1826516), (22, 913258), (44, 456629), (179, 112244), (358, 56122), (716, 28061), (1969, 10204), (2551, 7876), (3938, 5102)]