20651454

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{27983}}^1$

素因数の和:28032

約数の個数: 24

約数和(自身を含む): 45837792

約数和(自身を除く): 25186338

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 246, 369, 738, 27983, 55966, 83949, 167898, 251847, 503694, 1147303, 2294606, 3441909, 6883818, 10325727, 20651454]

約数ペア:

[(1, 20651454), (2, 10325727), (3, 6883818), (6, 3441909), (9, 2294606), (18, 1147303), (41, 503694), (82, 251847), (123, 167898), (246, 83949), (369, 55966), (738, 27983)]