20848161770

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{457}}^1\times {\mathrm{3347}}^1$

素因数の和:3887

約数の個数: 64

約数和(自身を含む): 39745313280

約数和(自身を除く): 18897151510

約数列:

[1, 2, 5, 10, 29, 47, 58, 94, 145, 235, 290, 457, 470, 914, 1363, 2285, 2726, 3347, 4570, 6694, 6815, 13253, 13630, 16735, 21479, 26506, 33470, 42958, 66265, 97063, 107395, 132530, 157309, 194126, 214790, 314618, 485315, 622891, 786545, 970630, 1245782, 1529579, 1573090, 3059158, 3114455, 4561961, 6228910, 7647895, 9123922, 15295790, 22809805, 44357791, 45619610, 71890213, 88715582, 143780426, 221788955, 359451065, 443577910, 718902130, 2084816177, 4169632354, 10424080885, 20848161770]

約数ペア:

[(1, 20848161770), (2, 10424080885), (5, 4169632354), (10, 2084816177), (29, 718902130), (47, 443577910), (58, 359451065), (94, 221788955), (145, 143780426), (235, 88715582), (290, 71890213), (457, 45619610), (470, 44357791), (914, 22809805), (1363, 15295790), (2285, 9123922), (2726, 7647895), (3347, 6228910), (4570, 4561961), (6694, 3114455), (6815, 3059158), (13253, 1573090), (13630, 1529579), (16735, 1245782), (21479, 970630), (26506, 786545), (33470, 622891), (42958, 485315), (66265, 314618), (97063, 214790), (107395, 194126), (132530, 157309)]