20746138

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3391}}^1$

素因数の和:3442

約数の個数: 32

約数和(自身を含む): 39075840

約数和(自身を除く): 18329702

約数列:

[1, 2, 7, 14, 19, 23, 38, 46, 133, 161, 266, 322, 437, 874, 3059, 3391, 6118, 6782, 23737, 47474, 64429, 77993, 128858, 155986, 451003, 545951, 902006, 1091902, 1481867, 2963734, 10373069, 20746138]

約数ペア:

[(1, 20746138), (2, 10373069), (7, 2963734), (14, 1481867), (19, 1091902), (23, 902006), (38, 545951), (46, 451003), (133, 155986), (161, 128858), (266, 77993), (322, 64429), (437, 47474), (874, 23737), (3059, 6782), (3391, 6118)]