20408942

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{5507}}^1$

素因数の和:5635

約数の個数: 16

約数和(自身を含む): 32717520

約数和(自身を除く): 12308578

約数列:

[1, 2, 17, 34, 109, 218, 1853, 3706, 5507, 11014, 93619, 187238, 600263, 1200526, 10204471, 20408942]

約数ペア:

[(1, 20408942), (2, 10204471), (17, 1200526), (34, 600263), (109, 187238), (218, 93619), (1853, 11014), (3706, 5507)]