20682088

素因数分解:

$2^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2657}}^1$

素因数の和:2809

約数の個数: 32

約数和(自身を含む): 44654400

約数和(自身を除く): 23972312

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 139, 278, 556, 973, 1112, 1946, 2657, 3892, 5314, 7784, 10628, 18599, 21256, 37198, 74396, 148792, 369323, 738646, 1477292, 2585261, 2954584, 5170522, 10341044, 20682088]

約数ペア:

[(1, 20682088), (2, 10341044), (4, 5170522), (7, 2954584), (8, 2585261), (14, 1477292), (28, 738646), (56, 369323), (139, 148792), (278, 74396), (556, 37198), (973, 21256), (1112, 18599), (1946, 10628), (2657, 7784), (3892, 5314)]