20854448

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{9377}}^1$

素因数の和:9524

約数の個数: 20

約数和(自身を含む): 40700520

約数和(自身を除く): 19846072

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 9377, 18754, 37508, 75016, 150032, 1303403, 2606806, 5213612, 10427224, 20854448]

約数ペア:

[(1, 20854448), (2, 10427224), (4, 5213612), (8, 2606806), (16, 1303403), (139, 150032), (278, 75016), (556, 37508), (1112, 18754), (2224, 9377)]