20751731

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{20731}}^1$

素因数の和:20762

約数の個数: 16

約数和(自身を含む): 27863808

約数和(自身を除く): 7112077

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 20731, 145117, 228041, 269503, 1596287, 1886521, 2964533, 20751731]

約数ペア:

[(1, 20751731), (7, 2964533), (11, 1886521), (13, 1596287), (77, 269503), (91, 228041), (143, 145117), (1001, 20731)]