20188775035

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1\times {\mathrm{1427}}^1$

素因数の和:1924

約数の個数: 64

約数和(自身を含む): 29156972544

約数和(自身を除く): 8968197509

約数列:

[1, 5, 11, 13, 47, 55, 65, 143, 235, 421, 517, 611, 715, 1427, 2105, 2585, 3055, 4631, 5473, 6721, 7135, 15697, 18551, 19787, 23155, 27365, 33605, 60203, 67069, 78485, 92755, 98935, 204061, 217657, 257231, 301015, 335345, 600767, 737759, 871897, 1020305, 1088285, 1286155, 2829541, 3003835, 3688795, 4359485, 6608437, 7809971, 9590867, 14147705, 28236049, 33042185, 39049855, 47954335, 85909681, 141180245, 310596539, 367068637, 429548405, 1552982695, 1835343185, 4037755007, 20188775035]

約数ペア:

[(1, 20188775035), (5, 4037755007), (11, 1835343185), (13, 1552982695), (47, 429548405), (55, 367068637), (65, 310596539), (143, 141180245), (235, 85909681), (421, 47954335), (517, 39049855), (611, 33042185), (715, 28236049), (1427, 14147705), (2105, 9590867), (2585, 7809971), (3055, 6608437), (4631, 4359485), (5473, 3688795), (6721, 3003835), (7135, 2829541), (15697, 1286155), (18551, 1088285), (19787, 1020305), (23155, 871897), (27365, 737759), (33605, 600767), (60203, 335345), (67069, 301015), (78485, 257231), (92755, 217657), (98935, 204061)]