20906473

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1\times {\mathrm{227}}^1$

素因数の和:516

約数の個数: 16

約数和(自身を含む): 24514560

約数和(自身を除く): 3608087

約数列:

[1, 7, 59, 223, 227, 413, 1561, 1589, 13157, 13393, 50621, 92099, 93751, 354347, 2986639, 20906473]

約数ペア:

[(1, 20906473), (7, 2986639), (59, 354347), (223, 93751), (227, 92099), (413, 50621), (1561, 13393), (1589, 13157)]