20259734

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{40039}}^1$

素因数の和:40075

約数の個数: 16

約数和(自身を含む): 34594560

約数和(自身を除く): 14334826

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 40039, 80078, 440429, 880858, 920897, 1841794, 10129867, 20259734]

約数ペア:

[(1, 20259734), (2, 10129867), (11, 1841794), (22, 920897), (23, 880858), (46, 440429), (253, 80078), (506, 40039)]