20208490

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2143}}^1$

素因数の和:2214

約数の個数: 32

約数和(自身を含む): 38900736

約数和(自身を除く): 18692246

約数列:

[1, 2, 5, 10, 23, 41, 46, 82, 115, 205, 230, 410, 943, 1886, 2143, 4286, 4715, 9430, 10715, 21430, 49289, 87863, 98578, 175726, 246445, 439315, 492890, 878630, 2020849, 4041698, 10104245, 20208490]

約数ペア:

[(1, 20208490), (2, 10104245), (5, 4041698), (10, 2020849), (23, 878630), (41, 492890), (46, 439315), (82, 246445), (115, 175726), (205, 98578), (230, 87863), (410, 49289), (943, 21430), (1886, 10715), (2143, 9430), (4286, 4715)]