20617177

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{3461}}^1$

素因数の和:3528

約数の個数: 16

約数和(自身を含む): 25258752

約数和(自身を除く): 4641575

約数列:

[1, 7, 23, 37, 161, 259, 851, 3461, 5957, 24227, 79603, 128057, 557221, 896399, 2945311, 20617177]

約数ペア:

[(1, 20617177), (7, 2945311), (23, 896399), (37, 557221), (161, 128057), (259, 79603), (851, 24227), (3461, 5957)]