20789006312

素因数分解:

$2^3\times {\mathrm{547}}^1\times {\mathrm{1877}}^1\times {\mathrm{2531}}^1$

素因数の和:4961

約数の個数: 32

約数和(自身を含む): 39086889120

約数和(自身を除く): 18297882808

約数列:

[1, 2, 4, 8, 547, 1094, 1877, 2188, 2531, 3754, 4376, 5062, 7508, 10124, 15016, 20248, 1026719, 1384457, 2053438, 2768914, 4106876, 4750687, 5537828, 8213752, 9501374, 11075656, 19002748, 38005496, 2598625789, 5197251578, 10394503156, 20789006312]

約数ペア:

[(1, 20789006312), (2, 10394503156), (4, 5197251578), (8, 2598625789), (547, 38005496), (1094, 19002748), (1877, 11075656), (2188, 9501374), (2531, 8213752), (3754, 5537828), (4376, 4750687), (5062, 4106876), (7508, 2768914), (10124, 2053438), (15016, 1384457), (20248, 1026719)]