20474855

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{479}}^1$

素因数の和:670

約数の個数: 16

約数和(自身を含む): 25159680

約数和(自身を除く): 4684825

約数列:

[1, 5, 83, 103, 415, 479, 515, 2395, 8549, 39757, 42745, 49337, 198785, 246685, 4094971, 20474855]

約数ペア:

[(1, 20474855), (5, 4094971), (83, 246685), (103, 198785), (415, 49337), (479, 42745), (515, 39757), (2395, 8549)]