20028931275

素因数分解:

$3^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{821}}^1\times {\mathrm{3919}}^1$

素因数の和:4836

約数の個数: 48

約数和(自身を含む): 33562851840

約数和(自身を除く): 13533920565

約数列:

[1, 3, 5, 15, 25, 75, 83, 249, 415, 821, 1245, 2075, 2463, 3919, 4105, 6225, 11757, 12315, 19595, 20525, 58785, 61575, 68143, 97975, 204429, 293925, 325277, 340715, 975831, 1022145, 1626385, 1703575, 3217499, 4879155, 5110725, 8131925, 9652497, 16087495, 24395775, 48262485, 80437475, 241312425, 267052417, 801157251, 1335262085, 4005786255, 6676310425, 20028931275]

約数ペア:

[(1, 20028931275), (3, 6676310425), (5, 4005786255), (15, 1335262085), (25, 801157251), (75, 267052417), (83, 241312425), (249, 80437475), (415, 48262485), (821, 24395775), (1245, 16087495), (2075, 9652497), (2463, 8131925), (3919, 5110725), (4105, 4879155), (6225, 3217499), (11757, 1703575), (12315, 1626385), (19595, 1022145), (20525, 975831), (58785, 340715), (61575, 325277), (68143, 293925), (97975, 204429)]