20889050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4591}}^1$

素因数の和:4623

約数の個数: 48

約数和(自身を含む): 47830272

約数和(自身を除く): 26941222

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 175, 182, 325, 350, 455, 650, 910, 2275, 4550, 4591, 9182, 22955, 32137, 45910, 59683, 64274, 114775, 119366, 160685, 229550, 298415, 321370, 417781, 596830, 803425, 835562, 1492075, 1606850, 2088905, 2984150, 4177810, 10444525, 20889050]

約数ペア:

[(1, 20889050), (2, 10444525), (5, 4177810), (7, 2984150), (10, 2088905), (13, 1606850), (14, 1492075), (25, 835562), (26, 803425), (35, 596830), (50, 417781), (65, 321370), (70, 298415), (91, 229550), (130, 160685), (175, 119366), (182, 114775), (325, 64274), (350, 59683), (455, 45910), (650, 32137), (910, 22955), (2275, 9182), (4550, 4591)]