20034091

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:176

約数の個数: 36

約数和(自身を含む): 26685120

約数和(自身を除く): 6651029

約数列:

[1, 7, 11, 31, 49, 77, 109, 121, 217, 341, 539, 763, 847, 1199, 1519, 2387, 3379, 3751, 5341, 5929, 8393, 13189, 16709, 23653, 26257, 37169, 58751, 92323, 165571, 183799, 260183, 408859, 646261, 1821281, 2862013, 20034091]

約数ペア:

[(1, 20034091), (7, 2862013), (11, 1821281), (31, 646261), (49, 408859), (77, 260183), (109, 183799), (121, 165571), (217, 92323), (341, 58751), (539, 37169), (763, 26257), (847, 23653), (1199, 16709), (1519, 13189), (2387, 8393), (3379, 5929), (3751, 5341)]