20883310745

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{8623}}^1\times {\mathrm{4003}}^1$

素因数の和:12653

約数の個数: 24

約数和(自身を含む): 27555335808

約数和(自身を除く): 6672025063

約数列:

[1, 5, 11, 55, 121, 605, 4003, 8623, 20015, 43115, 44033, 94853, 220165, 474265, 484363, 1043383, 2421815, 5216915, 34517869, 172589345, 379696559, 1898482795, 4176662149, 20883310745]

約数ペア:

[(1, 20883310745), (5, 4176662149), (11, 1898482795), (55, 379696559), (121, 172589345), (605, 34517869), (4003, 5216915), (8623, 2421815), (20015, 1043383), (43115, 484363), (44033, 474265), (94853, 220165)]