20666604544

素因数分解:

$2^{10}\times {\mathrm{29}}^1\times {\mathrm{695939}}^1$

素因数の和:695988

約数の個数: 44

約数和(自身を含む): 42737675400

約数和(自身を除く): 22071070856

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 256, 464, 512, 928, 1024, 1856, 3712, 7424, 14848, 29696, 695939, 1391878, 2783756, 5567512, 11135024, 20182231, 22270048, 40364462, 44540096, 80728924, 89080192, 161457848, 178160384, 322915696, 356320768, 645831392, 712641536, 1291662784, 2583325568, 5166651136, 10333302272, 20666604544]

約数ペア:

[(1, 20666604544), (2, 10333302272), (4, 5166651136), (8, 2583325568), (16, 1291662784), (29, 712641536), (32, 645831392), (58, 356320768), (64, 322915696), (116, 178160384), (128, 161457848), (232, 89080192), (256, 80728924), (464, 44540096), (512, 40364462), (928, 22270048), (1024, 20182231), (1856, 11135024), (3712, 5567512), (7424, 2783756), (14848, 1391878), (29696, 695939)]