20139812287

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{617}}^1\times {\mathrm{653}}^1$

素因数の和:1507

約数の個数: 32

約数和(自身を含む): 23836447872

約数和(自身を除く): 3696635585

約数列:

[1, 7, 37, 193, 259, 617, 653, 1351, 4319, 4571, 7141, 22829, 24161, 49987, 119081, 126029, 159803, 169127, 402901, 833567, 882203, 2820307, 4405997, 4663073, 14907337, 30841979, 32641511, 77759893, 104351359, 544319251, 2877116041, 20139812287]

約数ペア:

[(1, 20139812287), (7, 2877116041), (37, 544319251), (193, 104351359), (259, 77759893), (617, 32641511), (653, 30841979), (1351, 14907337), (4319, 4663073), (4571, 4405997), (7141, 2820307), (22829, 882203), (24161, 833567), (49987, 402901), (119081, 169127), (126029, 159803)]