20802608

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{5059}}^1$

素因数の和:5324

約数の個数: 20

約数和(自身を含む): 40469880

約数和(自身を除く): 19667272

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 5059, 10118, 20236, 40472, 80944, 1300163, 2600326, 5200652, 10401304, 20802608]

約数ペア:

[(1, 20802608), (2, 10401304), (4, 5200652), (8, 2600326), (16, 1300163), (257, 80944), (514, 40472), (1028, 20236), (2056, 10118), (4112, 5059)]