20218824

素因数分解:

$2^3\times 3^2\times {\mathrm{280817}}^1$

素因数の和:280829

約数の個数: 24

約数和(自身を含む): 54759510

約数和(自身を除く): 34540686

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 280817, 561634, 842451, 1123268, 1684902, 2246536, 2527353, 3369804, 5054706, 6739608, 10109412, 20218824]

約数ペア:

[(1, 20218824), (2, 10109412), (3, 6739608), (4, 5054706), (6, 3369804), (8, 2527353), (9, 2246536), (12, 1684902), (18, 1123268), (24, 842451), (36, 561634), (72, 280817)]