20643952

素因数分解:

$2^4\times 7^1\times {\mathrm{184321}}^1$

素因数の和:184336

約数の個数: 20

約数和(自身を含む): 45711856

約数和(自身を除く): 25067904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 184321, 368642, 737284, 1290247, 1474568, 2580494, 2949136, 5160988, 10321976, 20643952]

約数ペア:

[(1, 20643952), (2, 10321976), (4, 5160988), (7, 2949136), (8, 2580494), (14, 1474568), (16, 1290247), (28, 737284), (56, 368642), (112, 184321)]