20259421

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1753}}^1$

素因数の和:1900

約数の個数: 16

約数和(自身を含む): 25145344

約数和(自身を除く): 4885923

約数列:

[1, 7, 13, 91, 127, 889, 1651, 1753, 11557, 12271, 22789, 159523, 222631, 1558417, 2894203, 20259421]

約数ペア:

[(1, 20259421), (7, 2894203), (13, 1558417), (91, 222631), (127, 159523), (889, 22789), (1651, 12271), (1753, 11557)]