20804936824

素因数分解:

$2^3\times 7^1\times {\mathrm{787}}^1\times {\mathrm{472067}}^1$

素因数の和:472867

約数の個数: 32

約数和(自身を含む): 44638750080

約数和(自身を除く): 23833813256

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 787, 1574, 3148, 5509, 6296, 11018, 22036, 44072, 472067, 944134, 1888268, 3304469, 3776536, 6608938, 13217876, 26435752, 371516729, 743033458, 1486066916, 2600617103, 2972133832, 5201234206, 10402468412, 20804936824]

約数ペア:

[(1, 20804936824), (2, 10402468412), (4, 5201234206), (7, 2972133832), (8, 2600617103), (14, 1486066916), (28, 743033458), (56, 371516729), (787, 26435752), (1574, 13217876), (3148, 6608938), (5509, 3776536), (6296, 3304469), (11018, 1888268), (22036, 944134), (44072, 472067)]