20497606

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{2251}}^1$

素因数の和:2439

約数の個数: 16

約数和(自身を含む): 32023440

約数和(自身を除く): 11525834

約数列:

[1, 2, 29, 58, 157, 314, 2251, 4502, 4553, 9106, 65279, 130558, 353407, 706814, 10248803, 20497606]

約数ペア:

[(1, 20497606), (2, 10248803), (29, 706814), (58, 353407), (157, 130558), (314, 65279), (2251, 9106), (4502, 4553)]