20984970546

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2115847}}^1$

素因数の和:2115903

約数の個数: 48

約数和(自身を含む): 49510843200

約数和(自身を除く): 28525872654

約数列:

[1, 2, 3, 6, 9, 18, 19, 29, 38, 57, 58, 87, 114, 171, 174, 261, 342, 522, 551, 1102, 1653, 3306, 4959, 9918, 2115847, 4231694, 6347541, 12695082, 19042623, 38085246, 40201093, 61359563, 80402186, 120603279, 122719126, 184078689, 241206558, 361809837, 368157378, 552236067, 723619674, 1104472134, 1165831697, 2331663394, 3497495091, 6994990182, 10492485273, 20984970546]

約数ペア:

[(1, 20984970546), (2, 10492485273), (3, 6994990182), (6, 3497495091), (9, 2331663394), (18, 1165831697), (19, 1104472134), (29, 723619674), (38, 552236067), (57, 368157378), (58, 361809837), (87, 241206558), (114, 184078689), (171, 122719126), (174, 120603279), (261, 80402186), (342, 61359563), (522, 40201093), (551, 38085246), (1102, 19042623), (1653, 12695082), (3306, 6347541), (4959, 4231694), (9918, 2115847)]