20954494

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{8429}}^1$

素因数の和:8555

約数の個数: 16

約数和(自身を含む): 34596720

約数和(自身を除く): 13642226

約数列:

[1, 2, 11, 22, 113, 226, 1243, 2486, 8429, 16858, 92719, 185438, 952477, 1904954, 10477247, 20954494]

約数ペア:

[(1, 20954494), (2, 10477247), (11, 1904954), (22, 952477), (113, 185438), (226, 92719), (1243, 16858), (2486, 8429)]