20136809

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{2539}}^1$

素因数の和:2660

約数の個数: 16

約数和(自身を含む): 25359360

約数和(自身を除く): 5222551

約数列:

[1, 7, 11, 77, 103, 721, 1133, 2539, 7931, 17773, 27929, 195503, 261517, 1830619, 2876687, 20136809]

約数ペア:

[(1, 20136809), (7, 2876687), (11, 1830619), (77, 261517), (103, 195503), (721, 27929), (1133, 17773), (2539, 7931)]