20123658884

素因数分解:

$2^2\times 7^2\times {\mathrm{102671729}}^1$

素因数の和:102671747

約数の個数: 18

約数和(自身を含む): 40966020270

約数和(自身を除く): 20842361386

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 102671729, 205343458, 410686916, 718702103, 1437404206, 2874808412, 5030914721, 10061829442, 20123658884]

約数ペア:

[(1, 20123658884), (2, 10061829442), (4, 5030914721), (7, 2874808412), (14, 1437404206), (28, 718702103), (49, 410686916), (98, 205343458), (196, 102671729)]