20888934784

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{71233}}^1$

素因数の和:71355

約数の個数: 64

約数和(自身を含む): 43595208000

約数和(自身を除く): 22706273216

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 79, 116, 128, 158, 232, 316, 464, 632, 928, 1264, 1856, 2291, 2528, 3712, 4582, 5056, 9164, 10112, 18328, 36656, 71233, 73312, 142466, 146624, 284932, 293248, 569864, 1139728, 2065757, 2279456, 4131514, 4558912, 5627407, 8263028, 9117824, 11254814, 16526056, 22509628, 33052112, 45019256, 66104224, 90038512, 132208448, 163194803, 180077024, 264416896, 326389606, 360154048, 652779212, 720308096, 1305558424, 2611116848, 5222233696, 10444467392, 20888934784]

約数ペア:

[(1, 20888934784), (2, 10444467392), (4, 5222233696), (8, 2611116848), (16, 1305558424), (29, 720308096), (32, 652779212), (58, 360154048), (64, 326389606), (79, 264416896), (116, 180077024), (128, 163194803), (158, 132208448), (232, 90038512), (316, 66104224), (464, 45019256), (632, 33052112), (928, 22509628), (1264, 16526056), (1856, 11254814), (2291, 9117824), (2528, 8263028), (3712, 5627407), (4582, 4558912), (5056, 4131514), (9164, 2279456), (10112, 2065757), (18328, 1139728), (36656, 569864), (71233, 293248), (73312, 284932), (142466, 146624)]