16720825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1483}}^1$

素因数の和:1545

約数の個数: 24

約数和(自身を含む): 23186016

約数和(自身を除く): 6465191

約数列:

[1, 5, 11, 25, 41, 55, 205, 275, 451, 1025, 1483, 2255, 7415, 11275, 16313, 37075, 60803, 81565, 304015, 407825, 668833, 1520075, 3344165, 16720825]

約数ペア:

[(1, 16720825), (5, 3344165), (11, 1520075), (25, 668833), (41, 407825), (55, 304015), (205, 81565), (275, 60803), (451, 37075), (1025, 16313), (1483, 11275), (2255, 7415)]