20025920

素因数分解:

$2^6\times 5^1\times {\mathrm{62581}}^1$

素因数の和:62598

約数の個数: 28

約数和(自身を含む): 47687484

約数和(自身を除く): 27661564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 62581, 125162, 250324, 312905, 500648, 625810, 1001296, 1251620, 2002592, 2503240, 4005184, 5006480, 10012960, 20025920]

約数ペア:

[(1, 20025920), (2, 10012960), (4, 5006480), (5, 4005184), (8, 2503240), (10, 2002592), (16, 1251620), (20, 1001296), (32, 625810), (40, 500648), (64, 312905), (80, 250324), (160, 125162), (320, 62581)]