20649651

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{6451}}^1$

素因数の和:6562

約数の個数: 16

約数和(自身を含む): 30350208

約数和(自身を除く): 9700557

約数列:

[1, 3, 11, 33, 97, 291, 1067, 3201, 6451, 19353, 70961, 212883, 625747, 1877241, 6883217, 20649651]

約数ペア:

[(1, 20649651), (3, 6883217), (11, 1877241), (33, 625747), (97, 212883), (291, 70961), (1067, 19353), (3201, 6451)]