20178507976

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{541}}^1\times {\mathrm{423847}}^1$

素因数の和:424405

約数の個数: 32

約数和(自身を含む): 41350610880

約数和(自身を除く): 21172102904

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 541, 1082, 2164, 4328, 5951, 11902, 23804, 47608, 423847, 847694, 1695388, 3390776, 4662317, 9324634, 18649268, 37298536, 229301227, 458602454, 917204908, 1834409816, 2522313497, 5044626994, 10089253988, 20178507976]

約数ペア:

[(1, 20178507976), (2, 10089253988), (4, 5044626994), (8, 2522313497), (11, 1834409816), (22, 917204908), (44, 458602454), (88, 229301227), (541, 37298536), (1082, 18649268), (2164, 9324634), (4328, 4662317), (5951, 3390776), (11902, 1695388), (23804, 847694), (47608, 423847)]