20403816

素因数分解:

$2^3\times 3^1\times {\mathrm{823}}^1\times {\mathrm{1033}}^1$

素因数の和:1865

約数の個数: 32

約数和(自身を含む): 51120960

約数和(自身を除く): 30717144

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 823, 1033, 1646, 2066, 2469, 3099, 3292, 4132, 4938, 6198, 6584, 8264, 9876, 12396, 19752, 24792, 850159, 1700318, 2550477, 3400636, 5100954, 6801272, 10201908, 20403816]

約数ペア:

[(1, 20403816), (2, 10201908), (3, 6801272), (4, 5100954), (6, 3400636), (8, 2550477), (12, 1700318), (24, 850159), (823, 24792), (1033, 19752), (1646, 12396), (2066, 9876), (2469, 8264), (3099, 6584), (3292, 6198), (4132, 4938)]