20178172

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{19477}}^1$

素因数の和:19525

約数の個数: 24

約数和(自身を含む): 41449184

約数和(自身を除く): 21271012

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 19477, 38954, 77908, 136339, 272678, 545356, 720649, 1441298, 2882596, 5044543, 10089086, 20178172]

約数ペア:

[(1, 20178172), (2, 10089086), (4, 5044543), (7, 2882596), (14, 1441298), (28, 720649), (37, 545356), (74, 272678), (148, 136339), (259, 77908), (518, 38954), (1036, 19477)]