20554547

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{5471}}^1$

素因数の和:5518

約数の個数: 12

約数和(自身を含む): 23518656

約数和(自身を除く): 2964109

約数列:

[1, 13, 17, 221, 289, 3757, 5471, 71123, 93007, 1209091, 1581119, 20554547]

約数ペア:

[(1, 20554547), (13, 1581119), (17, 1209091), (221, 93007), (289, 71123), (3757, 5471)]