20909042

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{12343}}^1$

素因数の和:12374

約数の個数: 24

約数和(自身を含む): 39402048

約数和(自身を除く): 18493006

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 847, 1694, 12343, 24686, 86401, 135773, 172802, 271546, 950411, 1493503, 1900822, 2987006, 10454521, 20909042]

約数ペア:

[(1, 20909042), (2, 10454521), (7, 2987006), (11, 1900822), (14, 1493503), (22, 950411), (77, 271546), (121, 172802), (154, 135773), (242, 86401), (847, 24686), (1694, 12343)]