20462351

素因数分解:

$7^3\times {\mathrm{13}}^2\times {\mathrm{353}}^1$

素因数の和:400

約数の個数: 24

約数和(自身を含む): 25912800

約数和(自身を除く): 5450449

約数列:

[1, 7, 13, 49, 91, 169, 343, 353, 637, 1183, 2471, 4459, 4589, 8281, 17297, 32123, 57967, 59657, 121079, 224861, 417599, 1574027, 2923193, 20462351]

約数ペア:

[(1, 20462351), (7, 2923193), (13, 1574027), (49, 417599), (91, 224861), (169, 121079), (343, 59657), (353, 57967), (637, 32123), (1183, 17297), (2471, 8281), (4459, 4589)]