20403766383

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{144563}}^1$

素因数の和:144644

約数の個数: 64

約数和(自身を含む): 37304451072

約数和(自身を除く): 16900684689

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 47, 77, 91, 141, 143, 231, 273, 329, 429, 517, 611, 987, 1001, 1551, 1833, 3003, 3619, 4277, 6721, 10857, 12831, 20163, 47047, 141141, 144563, 433689, 1011941, 1590193, 1879319, 3035823, 4770579, 5637957, 6794461, 11131351, 13155233, 20383383, 20672509, 33394053, 39465699, 47561227, 62017527, 74739071, 88327993, 142683681, 144707563, 224217213, 264983979, 434122689, 523173497, 618295951, 971607923, 1569520491, 1854887853, 2914823769, 6801255461, 20403766383]

約数ペア:

[(1, 20403766383), (3, 6801255461), (7, 2914823769), (11, 1854887853), (13, 1569520491), (21, 971607923), (33, 618295951), (39, 523173497), (47, 434122689), (77, 264983979), (91, 224217213), (141, 144707563), (143, 142683681), (231, 88327993), (273, 74739071), (329, 62017527), (429, 47561227), (517, 39465699), (611, 33394053), (987, 20672509), (1001, 20383383), (1551, 13155233), (1833, 11131351), (3003, 6794461), (3619, 5637957), (4277, 4770579), (6721, 3035823), (10857, 1879319), (12831, 1590193), (20163, 1011941), (47047, 433689), (141141, 144563)]