20101767

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{631}}^1$

素因数の和:719

約数の個数: 32

約数和(自身を含む): 32277504

約数和(自身を除く): 12175737

約数列:

[1, 3, 7, 21, 37, 41, 111, 123, 259, 287, 631, 777, 861, 1517, 1893, 4417, 4551, 10619, 13251, 23347, 25871, 31857, 70041, 77613, 163429, 181097, 490287, 543291, 957227, 2871681, 6700589, 20101767]

約数ペア:

[(1, 20101767), (3, 6700589), (7, 2871681), (21, 957227), (37, 543291), (41, 490287), (111, 181097), (123, 163429), (259, 77613), (287, 70041), (631, 31857), (777, 25871), (861, 23347), (1517, 13251), (1893, 10619), (4417, 4551)]