20936888

素因数分解:

$2^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2729}}^1$

素因数の和:2879

約数の個数: 32

約数和(自身を含む): 45208800

約数和(自身を除く): 24271912

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 137, 274, 548, 959, 1096, 1918, 2729, 3836, 5458, 7672, 10916, 19103, 21832, 38206, 76412, 152824, 373873, 747746, 1495492, 2617111, 2990984, 5234222, 10468444, 20936888]

約数ペア:

[(1, 20936888), (2, 10468444), (4, 5234222), (7, 2990984), (8, 2617111), (14, 1495492), (28, 747746), (56, 373873), (137, 152824), (274, 76412), (548, 38206), (959, 21832), (1096, 19103), (1918, 10916), (2729, 7672), (3836, 5458)]