20179396

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{199}}^1\times {\mathrm{251}}^1$

素因数の和:555

約数の個数: 24

約数和(自身を含む): 35985600

約数和(自身を除く): 15806204

約数列:

[1, 2, 4, 101, 199, 202, 251, 398, 404, 502, 796, 1004, 20099, 25351, 40198, 49949, 50702, 80396, 99898, 101404, 199796, 5044849, 10089698, 20179396]

約数ペア:

[(1, 20179396), (2, 10089698), (4, 5044849), (101, 199796), (199, 101404), (202, 99898), (251, 80396), (398, 50702), (404, 49949), (502, 40198), (796, 25351), (1004, 20099)]