20550565

素因数分解:

$5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{2633}}^1$

素因数の和:2868

約数の個数: 16

約数和(自身を含む): 28320768

約数和(自身を除く): 7770203

約数列:

[1, 5, 7, 35, 223, 1115, 1561, 2633, 7805, 13165, 18431, 92155, 587159, 2935795, 4110113, 20550565]

約数ペア:

[(1, 20550565), (5, 4110113), (7, 2935795), (35, 587159), (223, 92155), (1115, 18431), (1561, 13165), (2633, 7805)]