20091214

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{70249}}^1$

素因数の和:70275

約数の個数: 16

約数和(自身を含む): 35406000

約数和(自身を除く): 15314786

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 70249, 140498, 772739, 913237, 1545478, 1826474, 10045607, 20091214]

約数ペア:

[(1, 20091214), (2, 10045607), (11, 1826474), (13, 1545478), (22, 913237), (26, 772739), (143, 140498), (286, 70249)]