20949258

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{2423}}^1$

素因数の和:2570

約数の個数: 32

約数和(自身を含む): 46075392

約数和(自身を除く): 25126134

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 131, 262, 393, 786, 1441, 2423, 2882, 4323, 4846, 7269, 8646, 14538, 26653, 53306, 79959, 159918, 317413, 634826, 952239, 1904478, 3491543, 6983086, 10474629, 20949258]

約数ペア:

[(1, 20949258), (2, 10474629), (3, 6983086), (6, 3491543), (11, 1904478), (22, 952239), (33, 634826), (66, 317413), (131, 159918), (262, 79959), (393, 53306), (786, 26653), (1441, 14538), (2423, 8646), (2882, 7269), (4323, 4846)]