20030828

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{2753}}^1$

素因数の和:2881

約数の個数: 24

約数和(自身を含む): 37476432

約数和(自身を除く): 17445604

約数列:

[1, 2, 4, 17, 34, 68, 107, 214, 428, 1819, 2753, 3638, 5506, 7276, 11012, 46801, 93602, 187204, 294571, 589142, 1178284, 5007707, 10015414, 20030828]

約数ペア:

[(1, 20030828), (2, 10015414), (4, 5007707), (17, 1178284), (34, 589142), (68, 294571), (107, 187204), (214, 93602), (428, 46801), (1819, 11012), (2753, 7276), (3638, 5506)]