20478242

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{2179}}^1$

素因数の和:2345

約数の個数: 16

約数和(自身を含む): 31810560

約数和(自身を除く): 11332318

約数列:

[1, 2, 37, 74, 127, 254, 2179, 4358, 4699, 9398, 80623, 161246, 276733, 553466, 10239121, 20478242]

約数ペア:

[(1, 20478242), (2, 10239121), (37, 553466), (74, 276733), (127, 161246), (254, 80623), (2179, 9398), (4358, 4699)]