20087935551

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{293}}^1\times {\mathrm{811}}^1$

素因数の和:1245

約数の個数: 64

約数和(自身を含む): 31168327680

約数和(自身を除く): 11080392129

約数列:

[1, 3, 9, 27, 31, 93, 101, 279, 293, 303, 811, 837, 879, 909, 2433, 2637, 2727, 3131, 7299, 7911, 9083, 9393, 21897, 25141, 27249, 28179, 29593, 75423, 81747, 81911, 84537, 88779, 226269, 237623, 245241, 245733, 266337, 678807, 712869, 737199, 799011, 917383, 2138607, 2211597, 2539241, 2752149, 6415821, 7366313, 7617723, 8256447, 22098939, 22853169, 23999923, 24769341, 66296817, 68559507, 71999769, 198890451, 215999307, 647997921, 743997613, 2231992839, 6695978517, 20087935551]

約数ペア:

[(1, 20087935551), (3, 6695978517), (9, 2231992839), (27, 743997613), (31, 647997921), (93, 215999307), (101, 198890451), (279, 71999769), (293, 68559507), (303, 66296817), (811, 24769341), (837, 23999923), (879, 22853169), (909, 22098939), (2433, 8256447), (2637, 7617723), (2727, 7366313), (3131, 6415821), (7299, 2752149), (7911, 2539241), (9083, 2211597), (9393, 2138607), (21897, 917383), (25141, 799011), (27249, 737199), (28179, 712869), (29593, 678807), (75423, 266337), (81747, 245733), (81911, 245241), (84537, 237623), (88779, 226269)]