20050802

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1\times {\mathrm{1087}}^1$

素因数の和:1513

約数の個数: 16

約数和(自身を含む): 31491072

約数和(自身を除く): 11440270

約数列:

[1, 2, 23, 46, 401, 802, 1087, 2174, 9223, 18446, 25001, 50002, 435887, 871774, 10025401, 20050802]

約数ペア:

[(1, 20050802), (2, 10025401), (23, 871774), (46, 435887), (401, 50002), (802, 25001), (1087, 18446), (2174, 9223)]