20796870451

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{619}}^1\times {\mathrm{1609}}^1$

素因数の和:2411

約数の個数: 32

約数和(自身を含む): 25234496000

約数和(自身を除く): 4437625549

約数列:

[1, 7, 19, 133, 157, 619, 1099, 1609, 2983, 4333, 11263, 11761, 20881, 30571, 82327, 97183, 213997, 252613, 680281, 995971, 1768291, 1846477, 4799647, 6971797, 12925339, 18923449, 33597529, 132464143, 156367447, 1094572129, 2970981493, 20796870451]

約数ペア:

[(1, 20796870451), (7, 2970981493), (19, 1094572129), (133, 156367447), (157, 132464143), (619, 33597529), (1099, 18923449), (1609, 12925339), (2983, 6971797), (4333, 4799647), (11263, 1846477), (11761, 1768291), (20881, 995971), (30571, 680281), (82327, 252613), (97183, 213997)]