20720184

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{45439}}^1$

素因数の和:45467

約数の個数: 32

約数和(自身を含む): 54528000

約数和(自身を除く): 33807816

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 228, 456, 45439, 90878, 136317, 181756, 272634, 363512, 545268, 863341, 1090536, 1726682, 2590023, 3453364, 5180046, 6906728, 10360092, 20720184]

約数ペア:

[(1, 20720184), (2, 10360092), (3, 6906728), (4, 5180046), (6, 3453364), (8, 2590023), (12, 1726682), (19, 1090536), (24, 863341), (38, 545268), (57, 363512), (76, 272634), (114, 181756), (152, 136317), (228, 90878), (456, 45439)]