201944054420

素因数分解:

$2^2\times 5^1\times {\mathrm{10097202721}}^1$

素因数の和:10097202730

約数の個数: 12

約数和(自身を含む): 424082514324

約数和(自身を除く): 222138459904

約数列:

[1, 2, 4, 5, 10, 20, 10097202721, 20194405442, 40388810884, 50486013605, 100972027210, 201944054420]

約数ペア:

[(1, 201944054420), (2, 100972027210), (4, 50486013605), (5, 40388810884), (10, 20194405442), (20, 10097202721)]