20389863

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{6299}}^1$

素因数の和:6398

約数の個数: 16

約数和(自身を含む): 29635200

約数和(自身を除く): 9245337

約数列:

[1, 3, 13, 39, 83, 249, 1079, 3237, 6299, 18897, 81887, 245661, 522817, 1568451, 6796621, 20389863]

約数ペア:

[(1, 20389863), (3, 6796621), (13, 1568451), (39, 522817), (83, 245661), (249, 81887), (1079, 18897), (3237, 6299)]