20145785589

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{1439}}^1$

素因数の和:1695

約数の個数: 64

約数和(自身を含む): 31021056000

約数和(自身を除く): 10875270411

約数列:

[1, 3, 9, 27, 67, 71, 109, 201, 213, 327, 603, 639, 981, 1439, 1809, 1917, 2943, 4317, 4757, 7303, 7739, 12951, 14271, 21909, 23217, 38853, 42813, 65727, 69651, 96413, 102169, 128439, 156851, 197181, 208953, 289239, 306507, 470553, 518513, 867717, 919521, 1411659, 1555539, 2603151, 2758563, 4234977, 4666617, 6845323, 10509017, 11136421, 13999851, 20535969, 31527051, 33409263, 61607907, 94581153, 100227789, 184823721, 283743459, 300683367, 746140207, 2238420621, 6715261863, 20145785589]

約数ペア:

[(1, 20145785589), (3, 6715261863), (9, 2238420621), (27, 746140207), (67, 300683367), (71, 283743459), (109, 184823721), (201, 100227789), (213, 94581153), (327, 61607907), (603, 33409263), (639, 31527051), (981, 20535969), (1439, 13999851), (1809, 11136421), (1917, 10509017), (2943, 6845323), (4317, 4666617), (4757, 4234977), (7303, 2758563), (7739, 2603151), (12951, 1555539), (14271, 1411659), (21909, 919521), (23217, 867717), (38853, 518513), (42813, 470553), (65727, 306507), (69651, 289239), (96413, 208953), (102169, 197181), (128439, 156851)]