20199332920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2988067}}^1$

素因数の和:2988104

約数の個数: 48

約数和(自身を含む): 49213479960

約数和(自身を除く): 29014147040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 2988067, 5976134, 11952268, 14940335, 23904536, 29880670, 38844871, 59761340, 77689742, 119522680, 155379484, 194224355, 310758968, 388448710, 504983323, 776897420, 1009966646, 1553794840, 2019933292, 2524916615, 4039866584, 5049833230, 10099666460, 20199332920]

約数ペア:

[(1, 20199332920), (2, 10099666460), (4, 5049833230), (5, 4039866584), (8, 2524916615), (10, 2019933292), (13, 1553794840), (20, 1009966646), (26, 776897420), (40, 504983323), (52, 388448710), (65, 310758968), (104, 194224355), (130, 155379484), (169, 119522680), (260, 77689742), (338, 59761340), (520, 38844871), (676, 29880670), (845, 23904536), (1352, 14940335), (1690, 11952268), (3380, 5976134), (6760, 2988067)]