20544568

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1$

素因数の和:508

約数の個数: 64

約数和(自身を含む): 46033920

約数和(自身を除く): 25489352

約数列:

[1, 2, 4, 8, 11, 17, 22, 31, 34, 44, 62, 68, 88, 124, 136, 187, 248, 341, 374, 443, 527, 682, 748, 886, 1054, 1364, 1496, 1772, 2108, 2728, 3544, 4216, 4873, 5797, 7531, 9746, 11594, 13733, 15062, 19492, 23188, 27466, 30124, 38984, 46376, 54932, 60248, 82841, 109864, 151063, 165682, 233461, 302126, 331364, 466922, 604252, 662728, 933844, 1208504, 1867688, 2568071, 5136142, 10272284, 20544568]

約数ペア:

[(1, 20544568), (2, 10272284), (4, 5136142), (8, 2568071), (11, 1867688), (17, 1208504), (22, 933844), (31, 662728), (34, 604252), (44, 466922), (62, 331364), (68, 302126), (88, 233461), (124, 165682), (136, 151063), (187, 109864), (248, 82841), (341, 60248), (374, 54932), (443, 46376), (527, 38984), (682, 30124), (748, 27466), (886, 23188), (1054, 19492), (1364, 15062), (1496, 13733), (1772, 11594), (2108, 9746), (2728, 7531), (3544, 5797), (4216, 4873)]