20247773

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{2203}}^1$

素因数の和:2324

約数の個数: 16

約数和(自身を含む): 25178496

約数和(自身を除く): 4930723

約数列:

[1, 7, 13, 91, 101, 707, 1313, 2203, 9191, 15421, 28639, 200473, 222503, 1557521, 2892539, 20247773]

約数ペア:

[(1, 20247773), (7, 2892539), (13, 1557521), (91, 222503), (101, 200473), (707, 28639), (1313, 15421), (2203, 9191)]