20522355

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{811}}^1$

素因数の和:1067

約数の個数: 32

約数和(自身を含む): 37728768

約数和(自身を除く): 17206413

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 241, 723, 811, 1205, 1687, 2433, 3615, 4055, 5061, 5677, 8435, 12165, 17031, 25305, 28385, 85155, 195451, 586353, 977255, 1368157, 2931765, 4104471, 6840785, 20522355]

約数ペア:

[(1, 20522355), (3, 6840785), (5, 4104471), (7, 2931765), (15, 1368157), (21, 977255), (35, 586353), (105, 195451), (241, 85155), (723, 28385), (811, 25305), (1205, 17031), (1687, 12165), (2433, 8435), (3615, 5677), (4055, 5061)]