20091856

素因数分解:

$2^4\times {\mathrm{1091}}^1\times {\mathrm{1151}}^1$

素因数の和:2250

約数の個数: 20

約数和(自身を含む): 38997504

約数和(自身を除く): 18905648

約数列:

[1, 2, 4, 8, 16, 1091, 1151, 2182, 2302, 4364, 4604, 8728, 9208, 17456, 18416, 1255741, 2511482, 5022964, 10045928, 20091856]

約数ペア:

[(1, 20091856), (2, 10045928), (4, 5022964), (8, 2511482), (16, 1255741), (1091, 18416), (1151, 17456), (2182, 9208), (2302, 8728), (4364, 4604)]