20663928

素因数分解:

$2^3\times 3^2\times {\mathrm{286999}}^1$

素因数の和:287011

約数の個数: 24

約数和(自身を含む): 55965000

約数和(自身を除く): 35301072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 286999, 573998, 860997, 1147996, 1721994, 2295992, 2582991, 3443988, 5165982, 6887976, 10331964, 20663928]

約数ペア:

[(1, 20663928), (2, 10331964), (3, 6887976), (4, 5165982), (6, 3443988), (8, 2582991), (9, 2295992), (12, 1721994), (18, 1147996), (24, 860997), (36, 573998), (72, 286999)]