20047993329

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{243973}}^1$

素因数の和:244046

約数の個数: 48

約数和(自身を含む): 34265660352

約数和(自身を除く): 14217667023

約数列:

[1, 3, 7, 13, 21, 39, 43, 49, 91, 129, 147, 273, 301, 559, 637, 903, 1677, 1911, 2107, 3913, 6321, 11739, 27391, 82173, 243973, 731919, 1707811, 3171649, 5123433, 9514947, 10490839, 11954677, 22201543, 31472517, 35864031, 66604629, 73435873, 136380907, 155410801, 220307619, 409142721, 466232403, 514051111, 954666349, 1542153333, 2863999047, 6682664443, 20047993329]

約数ペア:

[(1, 20047993329), (3, 6682664443), (7, 2863999047), (13, 1542153333), (21, 954666349), (39, 514051111), (43, 466232403), (49, 409142721), (91, 220307619), (129, 155410801), (147, 136380907), (273, 73435873), (301, 66604629), (559, 35864031), (637, 31472517), (903, 22201543), (1677, 11954677), (1911, 10490839), (2107, 9514947), (3913, 5123433), (6321, 3171649), (11739, 1707811), (27391, 731919), (82173, 243973)]