20960120

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{11149}}^1$

素因数の和:11207

約数の個数: 32

約数和(自身を含む): 48168000

約数和(自身を除く): 27207880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 11149, 22298, 44596, 55745, 89192, 111490, 222980, 445960, 524003, 1048006, 2096012, 2620015, 4192024, 5240030, 10480060, 20960120]

約数ペア:

[(1, 20960120), (2, 10480060), (4, 5240030), (5, 4192024), (8, 2620015), (10, 2096012), (20, 1048006), (40, 524003), (47, 445960), (94, 222980), (188, 111490), (235, 89192), (376, 55745), (470, 44596), (940, 22298), (1880, 11149)]