20989898798

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{797}}^1\times {\mathrm{108827}}^1$

素因数の和:109648

約数の個数: 24

約数和(自身を含む): 34651052856

約数和(自身を除く): 13661154058

約数列:

[1, 2, 11, 22, 121, 242, 797, 1594, 8767, 17534, 96437, 108827, 192874, 217654, 1197097, 2394194, 13168067, 26336134, 86735119, 173470238, 954086309, 1908172618, 10494949399, 20989898798]

約数ペア:

[(1, 20989898798), (2, 10494949399), (11, 1908172618), (22, 954086309), (121, 173470238), (242, 86735119), (797, 26336134), (1594, 13168067), (8767, 2394194), (17534, 1197097), (96437, 217654), (108827, 192874)]