20165784952

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{81313649}}^1$

素因数の和:81313686

約数の個数: 16

約数和(自身を含む): 39030552000

約数和(自身を除く): 18864767048

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 81313649, 162627298, 325254596, 650509192, 2520723119, 5041446238, 10082892476, 20165784952]

約数ペア:

[(1, 20165784952), (2, 10082892476), (4, 5041446238), (8, 2520723119), (31, 650509192), (62, 325254596), (124, 162627298), (248, 81313649)]