20381198

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:428

約数の個数: 32

約数和(自身を含む): 34069248

約数和(自身を除く): 13688050

約数列:

[1, 2, 17, 31, 34, 61, 62, 122, 317, 527, 634, 1037, 1054, 1891, 2074, 3782, 5389, 9827, 10778, 19337, 19654, 32147, 38674, 64294, 167059, 328729, 334118, 599447, 657458, 1198894, 10190599, 20381198]

約数ペア:

[(1, 20381198), (2, 10190599), (17, 1198894), (31, 657458), (34, 599447), (61, 334118), (62, 328729), (122, 167059), (317, 64294), (527, 38674), (634, 32147), (1037, 19654), (1054, 19337), (1891, 10778), (2074, 9827), (3782, 5389)]