19962440

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{17209}}^1$

素因数の和:17249

約数の個数: 32

約数和(自身を含む): 46467000

約数和(自身を除く): 26504560

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 17209, 34418, 68836, 86045, 137672, 172090, 344180, 499061, 688360, 998122, 1996244, 2495305, 3992488, 4990610, 9981220, 19962440]

約数ペア:

[(1, 19962440), (2, 9981220), (4, 4990610), (5, 3992488), (8, 2495305), (10, 1996244), (20, 998122), (29, 688360), (40, 499061), (58, 344180), (116, 172090), (145, 137672), (232, 86045), (290, 68836), (580, 34418), (1160, 17209)]