20728542901

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1403137}}^1$

素因数の和:1403244

約数の個数: 16

約数和(自身を含む): 24246224640

約数和(自身を除く): 3517681739

約数列:

[1, 11, 17, 79, 187, 869, 1343, 14773, 1403137, 15434507, 23853329, 110847823, 262386619, 1219326053, 1884412991, 20728542901]

約数ペア:

[(1, 20728542901), (11, 1884412991), (17, 1219326053), (79, 262386619), (187, 110847823), (869, 23853329), (1343, 15434507), (14773, 1403137)]