20392854

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{109639}}^1$

素因数の和:109675

約数の個数: 16

約数和(自身を含む): 42101760

約数和(自身を除く): 21708906

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 109639, 219278, 328917, 657834, 3398809, 6797618, 10196427, 20392854]

約数ペア:

[(1, 20392854), (2, 10196427), (3, 6797618), (6, 3398809), (31, 657834), (62, 328917), (93, 219278), (186, 109639)]