20186720385

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{26017}}^1$

素因数の和:26234

約数の個数: 64

約数和(自身を含む): 36506792448

約数和(自身を除く): 16320072063

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 173, 195, 299, 345, 519, 865, 897, 1495, 2249, 2595, 3979, 4485, 6747, 11245, 11937, 19895, 26017, 33735, 51727, 59685, 78051, 130085, 155181, 258635, 338221, 390255, 598391, 775905, 1014663, 1691105, 1795173, 2991955, 4500941, 5073315, 7779083, 8975865, 13502823, 22504705, 23337249, 38895415, 58512233, 67514115, 103521643, 116686245, 175536699, 292561165, 310564929, 517608215, 877683495, 1345781359, 1552824645, 4037344077, 6728906795, 20186720385]

約数ペア:

[(1, 20186720385), (3, 6728906795), (5, 4037344077), (13, 1552824645), (15, 1345781359), (23, 877683495), (39, 517608215), (65, 310564929), (69, 292561165), (115, 175536699), (173, 116686245), (195, 103521643), (299, 67514115), (345, 58512233), (519, 38895415), (865, 23337249), (897, 22504705), (1495, 13502823), (2249, 8975865), (2595, 7779083), (3979, 5073315), (4485, 4500941), (6747, 2991955), (11245, 1795173), (11937, 1691105), (19895, 1014663), (26017, 775905), (33735, 598391), (51727, 390255), (59685, 338221), (78051, 258635), (130085, 155181)]