20795906

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{643}}^1$

素因数の和:905

約数の個数: 16

約数和(自身を含む): 31746624

約数和(自身を除く): 10950718

約数列:

[1, 2, 103, 157, 206, 314, 643, 1286, 16171, 32342, 66229, 100951, 132458, 201902, 10397953, 20795906]

約数ペア:

[(1, 20795906), (2, 10397953), (103, 201902), (157, 132458), (206, 100951), (314, 66229), (643, 32342), (1286, 16171)]