9920708

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2549}}^1$

素因数の和:2699

約数の個数: 24

約数和(自身を含む): 19992000

約数和(自身を除く): 10071292

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 2549, 3892, 5098, 10196, 17843, 35686, 71372, 354311, 708622, 1417244, 2480177, 4960354, 9920708]

約数ペア:

[(1, 9920708), (2, 4960354), (4, 2480177), (7, 1417244), (14, 708622), (28, 354311), (139, 71372), (278, 35686), (556, 17843), (973, 10196), (1946, 5098), (2549, 3892)]