20212897540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{8352437}}^1$

素因数の和:8352468

約数の個数: 36

約数和(自身を含む): 46656718668

約数和(自身を除く): 26443821128

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 8352437, 16704874, 33409748, 41762185, 83524370, 91876807, 167048740, 183753614, 367507228, 459384035, 918768070, 1010644877, 1837536140, 2021289754, 4042579508, 5053224385, 10106448770, 20212897540]

約数ペア:

[(1, 20212897540), (2, 10106448770), (4, 5053224385), (5, 4042579508), (10, 2021289754), (11, 1837536140), (20, 1010644877), (22, 918768070), (44, 459384035), (55, 367507228), (110, 183753614), (121, 167048740), (220, 91876807), (242, 83524370), (484, 41762185), (605, 33409748), (1210, 16704874), (2420, 8352437)]