20293178

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{2767}}^1$

素因数の和:2981

約数の個数: 16

約数和(自身を含む): 32219520

約数和(自身を除く): 11926342

約数列:

[1, 2, 19, 38, 193, 386, 2767, 3667, 5534, 7334, 52573, 105146, 534031, 1068062, 10146589, 20293178]

約数ペア:

[(1, 20293178), (2, 10146589), (19, 1068062), (38, 534031), (193, 105146), (386, 52573), (2767, 7334), (3667, 5534)]