13426220

素因数分解:

$2^2\times 5^1\times {\mathrm{787}}^1\times {\mathrm{853}}^1$

素因数の和:1649

約数の個数: 24

約数和(自身を含む): 28263984

約数和(自身を除く): 14837764

約数列:

[1, 2, 4, 5, 10, 20, 787, 853, 1574, 1706, 3148, 3412, 3935, 4265, 7870, 8530, 15740, 17060, 671311, 1342622, 2685244, 3356555, 6713110, 13426220]

約数ペア:

[(1, 13426220), (2, 6713110), (4, 3356555), (5, 2685244), (10, 1342622), (20, 671311), (787, 17060), (853, 15740), (1574, 8530), (1706, 7870), (3148, 4265), (3412, 3935)]