20954724

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{797}}^1$

素因数の和:1124

約数の個数: 48

約数和(自身を含む): 56128128

約数和(自身を除く): 35173404

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 313, 626, 797, 939, 1252, 1594, 1878, 2191, 2391, 3188, 3756, 4382, 4782, 5579, 6573, 8764, 9564, 11158, 13146, 16737, 22316, 26292, 33474, 66948, 249461, 498922, 748383, 997844, 1496766, 1746227, 2993532, 3492454, 5238681, 6984908, 10477362, 20954724]

約数ペア:

[(1, 20954724), (2, 10477362), (3, 6984908), (4, 5238681), (6, 3492454), (7, 2993532), (12, 1746227), (14, 1496766), (21, 997844), (28, 748383), (42, 498922), (84, 249461), (313, 66948), (626, 33474), (797, 26292), (939, 22316), (1252, 16737), (1594, 13146), (1878, 11158), (2191, 9564), (2391, 8764), (3188, 6573), (3756, 5579), (4382, 4782)]