20767156

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{911}}^1$

素因数の和:1095

約数の個数: 24

約数和(自身を含む): 37537920

約数和(自身を除く): 16770764

約数列:

[1, 2, 4, 41, 82, 139, 164, 278, 556, 911, 1822, 3644, 5699, 11398, 22796, 37351, 74702, 126629, 149404, 253258, 506516, 5191789, 10383578, 20767156]

約数ペア:

[(1, 20767156), (2, 10383578), (4, 5191789), (41, 506516), (82, 253258), (139, 149404), (164, 126629), (278, 74702), (556, 37351), (911, 22796), (1822, 11398), (3644, 5699)]