20163820885

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{829}}^1\times {\mathrm{12071}}^1$

素因数の和:12949

約数の個数: 32

約数和(自身を含む): 26933114880

約数和(自身を除く): 6769293995

約数列:

[1, 5, 13, 31, 65, 155, 403, 829, 2015, 4145, 10777, 12071, 25699, 53885, 60355, 128495, 156923, 334087, 374201, 784615, 1670435, 1871005, 4864613, 10006859, 24323065, 50034295, 130089167, 310212629, 650445835, 1551063145, 4032764177, 20163820885]

約数ペア:

[(1, 20163820885), (5, 4032764177), (13, 1551063145), (31, 650445835), (65, 310212629), (155, 130089167), (403, 50034295), (829, 24323065), (2015, 10006859), (4145, 4864613), (10777, 1871005), (12071, 1670435), (25699, 784615), (53885, 374201), (60355, 334087), (128495, 156923)]