20288170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2659}}^1$

素因数の和:2782

約数の個数: 32

約数和(自身を含む): 42134400

約数和(自身を除く): 21846230

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 109, 218, 545, 763, 1090, 1526, 2659, 3815, 5318, 7630, 13295, 18613, 26590, 37226, 93065, 186130, 289831, 579662, 1449155, 2028817, 2898310, 4057634, 10144085, 20288170]

約数ペア:

[(1, 20288170), (2, 10144085), (5, 4057634), (7, 2898310), (10, 2028817), (14, 1449155), (35, 579662), (70, 289831), (109, 186130), (218, 93065), (545, 37226), (763, 26590), (1090, 18613), (1526, 13295), (2659, 7630), (3815, 5318)]