20701782

素因数分解:

$2^1\times 3^2\times {\mathrm{263}}^1\times {\mathrm{4373}}^1$

素因数の和:4644

約数の個数: 24

約数和(自身を含む): 45034704

約数和(自身を除く): 24332922

約数列:

[1, 2, 3, 6, 9, 18, 263, 526, 789, 1578, 2367, 4373, 4734, 8746, 13119, 26238, 39357, 78714, 1150099, 2300198, 3450297, 6900594, 10350891, 20701782]

約数ペア:

[(1, 20701782), (2, 10350891), (3, 6900594), (6, 3450297), (9, 2300198), (18, 1150099), (263, 78714), (526, 39357), (789, 26238), (1578, 13119), (2367, 8746), (4373, 4734)]