43794020

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{20089}}^1$

素因数の和:20207

約数の個数: 24

約数和(自身を含む): 92815800

約数和(自身を除く): 49021780

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 20089, 40178, 80356, 100445, 200890, 401780, 2189701, 4379402, 8758804, 10948505, 21897010, 43794020]

約数ペア:

[(1, 43794020), (2, 21897010), (4, 10948505), (5, 8758804), (10, 4379402), (20, 2189701), (109, 401780), (218, 200890), (436, 100445), (545, 80356), (1090, 40178), (2180, 20089)]