20453559

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{14537}}^1$

素因数の和:14614

約数の個数: 16

約数和(自身を含む): 31634688

約数和(自身を除く): 11181129

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 14537, 43611, 101759, 305277, 973979, 2921937, 6817853, 20453559]

約数ペア:

[(1, 20453559), (3, 6817853), (7, 2921937), (21, 973979), (67, 305277), (201, 101759), (469, 43611), (1407, 14537)]