20215548848

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{1129}}^1\times {\mathrm{101737}}^1$

素因数の和:102885

約数の個数: 40

約数和(自身を含む): 42766585680

約数和(自身を除く): 22551036832

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 1129, 2258, 4516, 9032, 12419, 18064, 24838, 49676, 99352, 101737, 198704, 203474, 406948, 813896, 1119107, 1627792, 2238214, 4476428, 8952856, 17905712, 114861073, 229722146, 459444292, 918888584, 1263471803, 1837777168, 2526943606, 5053887212, 10107774424, 20215548848]

約数ペア:

[(1, 20215548848), (2, 10107774424), (4, 5053887212), (8, 2526943606), (11, 1837777168), (16, 1263471803), (22, 918888584), (44, 459444292), (88, 229722146), (176, 114861073), (1129, 17905712), (2258, 8952856), (4516, 4476428), (9032, 2238214), (12419, 1627792), (18064, 1119107), (24838, 813896), (49676, 406948), (99352, 203474), (101737, 198704)]