20042008

素因数分解:

$2^3\times 7^1\times {\mathrm{317}}^1\times {\mathrm{1129}}^1$

素因数の和:1459

約数の個数: 32

約数和(自身を含む): 43120800

約数和(自身を除く): 23078792

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 317, 634, 1129, 1268, 2219, 2258, 2536, 4438, 4516, 7903, 8876, 9032, 15806, 17752, 31612, 63224, 357893, 715786, 1431572, 2505251, 2863144, 5010502, 10021004, 20042008]

約数ペア:

[(1, 20042008), (2, 10021004), (4, 5010502), (7, 2863144), (8, 2505251), (14, 1431572), (28, 715786), (56, 357893), (317, 63224), (634, 31612), (1129, 17752), (1268, 15806), (2219, 9032), (2258, 8876), (2536, 7903), (4438, 4516)]