20187723735

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{61547}}^1$

素因数の和:61792

約数の個数: 48

約数和(自身を含む): 36120797856

約数和(自身を除く): 15933074121

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 197, 333, 555, 591, 985, 1665, 1773, 2955, 7289, 8865, 21867, 36445, 61547, 65601, 109335, 184641, 307735, 328005, 553923, 923205, 2277239, 2769615, 6831717, 11386195, 12124759, 20495151, 34158585, 36374277, 60623795, 102475755, 109122831, 181871385, 448616083, 545614155, 1345848249, 2243080415, 4037544747, 6729241245, 20187723735]

約数ペア:

[(1, 20187723735), (3, 6729241245), (5, 4037544747), (9, 2243080415), (15, 1345848249), (37, 545614155), (45, 448616083), (111, 181871385), (185, 109122831), (197, 102475755), (333, 60623795), (555, 36374277), (591, 34158585), (985, 20495151), (1665, 12124759), (1773, 11386195), (2955, 6831717), (7289, 2769615), (8865, 2277239), (21867, 923205), (36445, 553923), (61547, 328005), (65601, 307735), (109335, 184641)]