20890118

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{6221}}^1$

素因数の和:6319

約数の個数: 16

約数和(自身を含む): 33150816

約数和(自身を除く): 12260698

約数列:

[1, 2, 23, 46, 73, 146, 1679, 3358, 6221, 12442, 143083, 286166, 454133, 908266, 10445059, 20890118]

約数ペア:

[(1, 20890118), (2, 10445059), (23, 908266), (46, 454133), (73, 286166), (146, 143083), (1679, 12442), (3358, 6221)]