20971090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{7307}}^1$

素因数の和:7362

約数の個数: 32

約数和(自身を含む): 44198784

約数和(自身を除く): 23227694

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 574, 1435, 2870, 7307, 14614, 36535, 51149, 73070, 102298, 255745, 299587, 511490, 599174, 1497935, 2097109, 2995870, 4194218, 10485545, 20971090]

約数ペア:

[(1, 20971090), (2, 10485545), (5, 4194218), (7, 2995870), (10, 2097109), (14, 1497935), (35, 599174), (41, 511490), (70, 299587), (82, 255745), (205, 102298), (287, 73070), (410, 51149), (574, 36535), (1435, 14614), (2870, 7307)]