20631235072

素因数分解:

$2^9\times 7^1\times {\mathrm{31}}^1\times {\mathrm{185693}}^1$

素因数の和:185749

約数の個数: 80

約数和(自身を含む): 48631030272

約数和(自身を除く): 27999795200

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 496, 512, 868, 896, 992, 1736, 1792, 1984, 3472, 3584, 3968, 6944, 7936, 13888, 15872, 27776, 55552, 111104, 185693, 371386, 742772, 1299851, 1485544, 2599702, 2971088, 5199404, 5756483, 5942176, 10398808, 11512966, 11884352, 20797616, 23025932, 23768704, 40295381, 41595232, 46051864, 47537408, 80590762, 83190464, 92103728, 95074816, 161181524, 166380928, 184207456, 322363048, 332761856, 368414912, 644726096, 665523712, 736829824, 1289452192, 1473659648, 2578904384, 2947319296, 5157808768, 10315617536, 20631235072]

約数ペア:

[(1, 20631235072), (2, 10315617536), (4, 5157808768), (7, 2947319296), (8, 2578904384), (14, 1473659648), (16, 1289452192), (28, 736829824), (31, 665523712), (32, 644726096), (56, 368414912), (62, 332761856), (64, 322363048), (112, 184207456), (124, 166380928), (128, 161181524), (217, 95074816), (224, 92103728), (248, 83190464), (256, 80590762), (434, 47537408), (448, 46051864), (496, 41595232), (512, 40295381), (868, 23768704), (896, 23025932), (992, 20797616), (1736, 11884352), (1792, 11512966), (1984, 10398808), (3472, 5942176), (3584, 5756483), (3968, 5199404), (6944, 2971088), (7936, 2599702), (13888, 1485544), (15872, 1299851), (27776, 742772), (55552, 371386), (111104, 185693)]