20423844

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{81047}}^1$

素因数の和:81064

約数の個数: 36

約数和(自身を含む): 59002944

約数和(自身を除く): 38579100

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 81047, 162094, 243141, 324188, 486282, 567329, 729423, 972564, 1134658, 1458846, 1701987, 2269316, 2917692, 3403974, 5105961, 6807948, 10211922, 20423844]

約数ペア:

[(1, 20423844), (2, 10211922), (3, 6807948), (4, 5105961), (6, 3403974), (7, 2917692), (9, 2269316), (12, 1701987), (14, 1458846), (18, 1134658), (21, 972564), (28, 729423), (36, 567329), (42, 486282), (63, 324188), (84, 243141), (126, 162094), (252, 81047)]