20796215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{3671}}^1$

素因数の和:3790

約数の個数: 16

約数和(自身を含む): 27495936

約数和(自身を除く): 6699721

約数列:

[1, 5, 11, 55, 103, 515, 1133, 3671, 5665, 18355, 40381, 201905, 378113, 1890565, 4159243, 20796215]

約数ペア:

[(1, 20796215), (5, 4159243), (11, 1890565), (55, 378113), (103, 201905), (515, 40381), (1133, 18355), (3671, 5665)]