20862268

素因数分解:

$2^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{2251}}^1$

素因数の和:2593

約数の個数: 24

約数和(自身を含む): 41869184

約数和(自身を除く): 21006916

約数列:

[1, 2, 4, 7, 14, 28, 331, 662, 1324, 2251, 2317, 4502, 4634, 9004, 9268, 15757, 31514, 63028, 745081, 1490162, 2980324, 5215567, 10431134, 20862268]

約数ペア:

[(1, 20862268), (2, 10431134), (4, 5215567), (7, 2980324), (14, 1490162), (28, 745081), (331, 63028), (662, 31514), (1324, 15757), (2251, 9268), (2317, 9004), (4502, 4634)]