20740016

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{117841}}^1$

素因数の和:117860

約数の個数: 20

約数和(自身を含む): 43837224

約数和(自身を除く): 23097208

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 117841, 235682, 471364, 942728, 1296251, 1885456, 2592502, 5185004, 10370008, 20740016]

約数ペア:

[(1, 20740016), (2, 10370008), (4, 5185004), (8, 2592502), (11, 1885456), (16, 1296251), (22, 942728), (44, 471364), (88, 235682), (176, 117841)]