20744838

素因数分解:

$2^1\times 3^2\times {\mathrm{397}}^1\times {\mathrm{2903}}^1$

素因数の和:3308

約数の個数: 24

約数和(自身を含む): 45075888

約数和(自身を除く): 24331050

約数列:

[1, 2, 3, 6, 9, 18, 397, 794, 1191, 2382, 2903, 3573, 5806, 7146, 8709, 17418, 26127, 52254, 1152491, 2304982, 3457473, 6914946, 10372419, 20744838]

約数ペア:

[(1, 20744838), (2, 10372419), (3, 6914946), (6, 3457473), (9, 2304982), (18, 1152491), (397, 52254), (794, 26127), (1191, 17418), (2382, 8709), (2903, 7146), (3573, 5806)]