20199654501

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{256279}}^1$

素因数の和:256385

約数の個数: 32

約数和(自身を含む): 30310748160

約数和(自身を除く): 10111093659

約数列:

[1, 3, 13, 39, 43, 47, 129, 141, 559, 611, 1677, 1833, 2021, 6063, 26273, 78819, 256279, 768837, 3331627, 9994881, 11019997, 12045113, 33059991, 36135339, 143259961, 156586469, 429779883, 469759407, 517939859, 1553819577, 6733218167, 20199654501]

約数ペア:

[(1, 20199654501), (3, 6733218167), (13, 1553819577), (39, 517939859), (43, 469759407), (47, 429779883), (129, 156586469), (141, 143259961), (559, 36135339), (611, 33059991), (1677, 12045113), (1833, 11019997), (2021, 9994881), (6063, 3331627), (26273, 768837), (78819, 256279)]