20178954418

素因数分解:

$2^1\times 7^1\times {\mathrm{947}}^1\times {\mathrm{1522021}}^1$

素因数の和:1522977

約数の個数: 16

約数和(自身を含む): 34629044544

約数和(自身を除く): 14450090126

約数列:

[1, 2, 7, 14, 947, 1894, 6629, 13258, 1522021, 3044042, 10654147, 21308294, 1441353887, 2882707774, 10089477209, 20178954418]

約数ペア:

[(1, 20178954418), (2, 10089477209), (7, 2882707774), (14, 1441353887), (947, 21308294), (1894, 10654147), (6629, 3044042), (13258, 1522021)]