2020100176

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{1289}}^1\times {\mathrm{2389}}^1$

素因数の和:3727

約数の個数: 40

約数和(自身を含む): 4014196200

約数和(自身を除く): 1994096024

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 1289, 2389, 2578, 4778, 5156, 9556, 10312, 19112, 20624, 38224, 52849, 97949, 105698, 195898, 211396, 391796, 422792, 783592, 845584, 1567184, 3079421, 6158842, 12317684, 24635368, 49270736, 126256261, 252512522, 505025044, 1010050088, 2020100176]

約数ペア:

[(1, 2020100176), (2, 1010050088), (4, 505025044), (8, 252512522), (16, 126256261), (41, 49270736), (82, 24635368), (164, 12317684), (328, 6158842), (656, 3079421), (1289, 1567184), (2389, 845584), (2578, 783592), (4778, 422792), (5156, 391796), (9556, 211396), (10312, 195898), (19112, 105698), (20624, 97949), (38224, 52849)]