204467720

素因数分解:

$2^3\times 5^1\times {\mathrm{5111693}}^1$

素因数の和:5111704

約数の個数: 16

約数和(自身を含む): 460052460

約数和(自身を除く): 255584740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5111693, 10223386, 20446772, 25558465, 40893544, 51116930, 102233860, 204467720]

約数ペア:

[(1, 204467720), (2, 102233860), (4, 51116930), (5, 40893544), (8, 25558465), (10, 20446772), (20, 10223386), (40, 5111693)]