20967576

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{911}}^1$

素因数の和:1064

約数の個数: 64

約数和(自身を含む): 60410880

約数和(自身を除く): 39443304

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 137, 168, 274, 411, 548, 822, 911, 959, 1096, 1644, 1822, 1918, 2733, 2877, 3288, 3644, 3836, 5466, 5754, 6377, 7288, 7672, 10932, 11508, 12754, 19131, 21864, 23016, 25508, 38262, 51016, 76524, 124807, 153048, 249614, 374421, 499228, 748842, 873649, 998456, 1497684, 1747298, 2620947, 2995368, 3494596, 5241894, 6989192, 10483788, 20967576]

約数ペア:

[(1, 20967576), (2, 10483788), (3, 6989192), (4, 5241894), (6, 3494596), (7, 2995368), (8, 2620947), (12, 1747298), (14, 1497684), (21, 998456), (24, 873649), (28, 748842), (42, 499228), (56, 374421), (84, 249614), (137, 153048), (168, 124807), (274, 76524), (411, 51016), (548, 38262), (822, 25508), (911, 23016), (959, 21864), (1096, 19131), (1644, 12754), (1822, 11508), (1918, 10932), (2733, 7672), (2877, 7288), (3288, 6377), (3644, 5754), (3836, 5466)]