20012122

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{9743}}^1$

素因数の和:9837

約数の個数: 16

約数和(自身を含む): 32739840

約数和(自身を除く): 12727718

約数列:

[1, 2, 13, 26, 79, 158, 1027, 2054, 9743, 19486, 126659, 253318, 769697, 1539394, 10006061, 20012122]

約数ペア:

[(1, 20012122), (2, 10006061), (13, 1539394), (26, 769697), (79, 253318), (158, 126659), (1027, 19486), (2054, 9743)]