20173665589

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{117329}}^1$

素因数の和:117394

約数の個数: 36

約数和(自身を含む): 26684361900

約数和(自身を除く): 6510696311

約数列:

[1, 7, 11, 29, 49, 77, 121, 203, 319, 539, 847, 1421, 2233, 3509, 5929, 15631, 24563, 117329, 171941, 821303, 1290619, 3402541, 5749121, 9034333, 14196809, 23817787, 37427951, 63240331, 99377663, 166724509, 261995657, 411707461, 695643641, 1833969599, 2881952227, 20173665589]

約数ペア:

[(1, 20173665589), (7, 2881952227), (11, 1833969599), (29, 695643641), (49, 411707461), (77, 261995657), (121, 166724509), (203, 99377663), (319, 63240331), (539, 37427951), (847, 23817787), (1421, 14196809), (2233, 9034333), (3509, 5749121), (5929, 3402541), (15631, 1290619), (24563, 821303), (117329, 171941)]