20178687778

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{53939}}^1\times {\mathrm{11003}}^1$

素因数の和:64961

約数の個数: 16

約数和(自身を含む): 32052011040

約数和(自身を除く): 11873323262

約数列:

[1, 2, 17, 34, 11003, 22006, 53939, 107878, 187051, 374102, 916963, 1833926, 593490817, 1186981634, 10089343889, 20178687778]

約数ペア:

[(1, 20178687778), (2, 10089343889), (17, 1186981634), (34, 593490817), (11003, 1833926), (22006, 916963), (53939, 374102), (107878, 187051)]