20109693796

素因数分解:

$2^2\times {\mathrm{113}}^2\times {\mathrm{393721}}^1$

素因数の和:393951

約数の個数: 18

約数和(自身を含む): 35506243682

約数和(自身を除く): 15396549886

約数列:

[1, 2, 4, 113, 226, 452, 12769, 25538, 51076, 393721, 787442, 1574884, 44490473, 88980946, 177961892, 5027423449, 10054846898, 20109693796]

約数ペア:

[(1, 20109693796), (2, 10054846898), (4, 5027423449), (113, 177961892), (226, 88980946), (452, 44490473), (12769, 1574884), (25538, 787442), (51076, 393721)]