20439468

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{11587}}^1$

素因数の和:11611

約数の個数: 54

約数和(自身を含む): 60106956

約数和(自身を除く): 39667488

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 11587, 23174, 34761, 46348, 69522, 81109, 104283, 139044, 162218, 208566, 243327, 324436, 417132, 486654, 567763, 729981, 973308, 1135526, 1459962, 1703289, 2271052, 2919924, 3406578, 5109867, 6813156, 10219734, 20439468]

約数ペア:

[(1, 20439468), (2, 10219734), (3, 6813156), (4, 5109867), (6, 3406578), (7, 2919924), (9, 2271052), (12, 1703289), (14, 1459962), (18, 1135526), (21, 973308), (28, 729981), (36, 567763), (42, 486654), (49, 417132), (63, 324436), (84, 243327), (98, 208566), (126, 162218), (147, 139044), (196, 104283), (252, 81109), (294, 69522), (441, 46348), (588, 34761), (882, 23174), (1764, 11587)]