20217863511

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{3701}}^1$

素因数の和:3964

約数の個数: 48

約数和(自身を含む): 30270868992

約数和(自身を除く): 10053005481

約数列:

[1, 3, 9, 71, 83, 103, 213, 249, 309, 639, 747, 927, 3701, 5893, 7313, 8549, 11103, 17679, 21939, 25647, 33309, 53037, 65817, 76941, 262771, 307183, 381203, 606979, 788313, 921549, 1143609, 1820937, 2364939, 2764647, 3430827, 5462811, 21809993, 27065413, 31639849, 65429979, 81196239, 94919547, 196289937, 243588717, 284758641, 2246429279, 6739287837, 20217863511]

約数ペア:

[(1, 20217863511), (3, 6739287837), (9, 2246429279), (71, 284758641), (83, 243588717), (103, 196289937), (213, 94919547), (249, 81196239), (309, 65429979), (639, 31639849), (747, 27065413), (927, 21809993), (3701, 5462811), (5893, 3430827), (7313, 2764647), (8549, 2364939), (11103, 1820937), (17679, 1143609), (21939, 921549), (25647, 788313), (33309, 606979), (53037, 381203), (65817, 307183), (76941, 262771)]