20771080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47207}}^1$

素因数の和:47229

約数の個数: 32

約数和(自身を含む): 50984640

約数和(自身を除く): 30213560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 47207, 94414, 188828, 236035, 377656, 472070, 519277, 944140, 1038554, 1888280, 2077108, 2596385, 4154216, 5192770, 10385540, 20771080]

約数ペア:

[(1, 20771080), (2, 10385540), (4, 5192770), (5, 4154216), (8, 2596385), (10, 2077108), (11, 1888280), (20, 1038554), (22, 944140), (40, 519277), (44, 472070), (55, 377656), (88, 236035), (110, 188828), (220, 94414), (440, 47207)]