20202160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2087}}^1$

素因数の和:2122

約数の個数: 60

約数和(自身を含む): 51652944

約数和(自身を除く): 31450784

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2087, 2420, 4174, 4840, 8348, 9680, 10435, 16696, 20870, 22957, 33392, 41740, 45914, 83480, 91828, 114785, 166960, 183656, 229570, 252527, 367312, 459140, 505054, 918280, 1010108, 1262635, 1836560, 2020216, 2525270, 4040432, 5050540, 10101080, 20202160]

約数ペア:

[(1, 20202160), (2, 10101080), (4, 5050540), (5, 4040432), (8, 2525270), (10, 2020216), (11, 1836560), (16, 1262635), (20, 1010108), (22, 918280), (40, 505054), (44, 459140), (55, 367312), (80, 252527), (88, 229570), (110, 183656), (121, 166960), (176, 114785), (220, 91828), (242, 83480), (440, 45914), (484, 41740), (605, 33392), (880, 22957), (968, 20870), (1210, 16696), (1936, 10435), (2087, 9680), (2420, 8348), (4174, 4840)]