20478814

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{4973}}^1$

素因数の和:5075

約数の個数: 16

約数和(自身を含む): 32231520

約数和(自身を除く): 11752706

約数列:

[1, 2, 29, 58, 71, 142, 2059, 4118, 4973, 9946, 144217, 288434, 353083, 706166, 10239407, 20478814]

約数ペア:

[(1, 20478814), (2, 10239407), (29, 706166), (58, 353083), (71, 288434), (142, 144217), (2059, 9946), (4118, 4973)]