20778826192

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{2683}}^1\times {\mathrm{16691}}^1$

素因数の和:19411

約数の個数: 40

約数和(自身を含む): 41665235040

約数和(自身を除く): 20886408848

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 2683, 5366, 10732, 16691, 21464, 33382, 42928, 66764, 77807, 133528, 155614, 267056, 311228, 484039, 622456, 968078, 1244912, 1936156, 3872312, 7744624, 44781953, 89563906, 179127812, 358255624, 716511248, 1298676637, 2597353274, 5194706548, 10389413096, 20778826192]

約数ペア:

[(1, 20778826192), (2, 10389413096), (4, 5194706548), (8, 2597353274), (16, 1298676637), (29, 716511248), (58, 358255624), (116, 179127812), (232, 89563906), (464, 44781953), (2683, 7744624), (5366, 3872312), (10732, 1936156), (16691, 1244912), (21464, 968078), (33382, 622456), (42928, 484039), (66764, 311228), (77807, 267056), (133528, 155614)]