20022680

素因数分解:

$2^3\times 5^1\times {\mathrm{500567}}^1$

素因数の和:500578

約数の個数: 16

約数和(自身を含む): 45051120

約数和(自身を除く): 25028440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 500567, 1001134, 2002268, 2502835, 4004536, 5005670, 10011340, 20022680]

約数ペア:

[(1, 20022680), (2, 10011340), (4, 5005670), (5, 4004536), (8, 2502835), (10, 2002268), (20, 1001134), (40, 500567)]