20255686

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{40031}}^1$

素因数の和:40067

約数の個数: 16

約数和(自身を含む): 34587648

約数和(自身を除く): 14331962

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 40031, 80062, 440341, 880682, 920713, 1841426, 10127843, 20255686]

約数ペア:

[(1, 20255686), (2, 10127843), (11, 1841426), (22, 920713), (23, 880682), (46, 440341), (253, 80062), (506, 40031)]