20458396

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{10009}}^1$

素因数の和:10093

約数の個数: 24

約数和(自身を含む): 41481440

約数和(自身を除く): 21023044

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 10009, 20018, 40036, 70063, 140126, 280252, 730657, 1461314, 2922628, 5114599, 10229198, 20458396]

約数ペア:

[(1, 20458396), (2, 10229198), (4, 5114599), (7, 2922628), (14, 1461314), (28, 730657), (73, 280252), (146, 140126), (292, 70063), (511, 40036), (1022, 20018), (2044, 10009)]