20551461

素因数分解:

$3^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{3533}}^1$

素因数の和:3820

約数の個数: 16

約数和(自身を含む): 31438464

約数和(自身を除く): 10887003

約数列:

[1, 3, 7, 21, 277, 831, 1939, 3533, 5817, 10599, 24731, 74193, 978641, 2935923, 6850487, 20551461]

約数ペア:

[(1, 20551461), (3, 6850487), (7, 2935923), (21, 978641), (277, 74193), (831, 24731), (1939, 10599), (3533, 5817)]