20404772

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{863}}^1$

素因数の和:1147

約数の個数: 24

約数和(自身を含む): 37449216

約数和(自身を除く): 17044444

約数列:

[1, 2, 4, 23, 46, 92, 257, 514, 863, 1028, 1726, 3452, 5911, 11822, 19849, 23644, 39698, 79396, 221791, 443582, 887164, 5101193, 10202386, 20404772]

約数ペア:

[(1, 20404772), (2, 10202386), (4, 5101193), (23, 887164), (46, 443582), (92, 221791), (257, 79396), (514, 39698), (863, 23644), (1028, 19849), (1726, 11822), (3452, 5911)]