20566653

素因数分解:

$3^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1\times {\mathrm{547}}^1$

素因数の和:784

約数の個数: 16

約数和(自身を含む): 27987456

約数和(自身を除く): 7420803

約数列:

[1, 3, 83, 151, 249, 453, 547, 1641, 12533, 37599, 45401, 82597, 136203, 247791, 6855551, 20566653]

約数ペア:

[(1, 20566653), (3, 6855551), (83, 247791), (151, 136203), (249, 82597), (453, 45401), (547, 37599), (1641, 12533)]