20984928844

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{18013}}^1$

素因数の和:18151

約数の個数: 72

約数和(自身を含む): 42263005680

約数和(自身を除く): 21278076836

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 83, 116, 121, 166, 242, 319, 332, 484, 638, 913, 1276, 1826, 2407, 3509, 3652, 4814, 7018, 9628, 10043, 14036, 18013, 20086, 26477, 36026, 40172, 52954, 72052, 105908, 198143, 291247, 396286, 522377, 582494, 792572, 1044754, 1164988, 1495079, 2089508, 2179573, 2990158, 4359146, 5746147, 5980316, 8718292, 11492294, 16445869, 22984588, 32891738, 43357291, 63207617, 65783476, 86714582, 126415234, 173429164, 180904559, 252830468, 361809118, 476930201, 723618236, 953860402, 1907720804, 5246232211, 10492464422, 20984928844]

約数ペア:

[(1, 20984928844), (2, 10492464422), (4, 5246232211), (11, 1907720804), (22, 953860402), (29, 723618236), (44, 476930201), (58, 361809118), (83, 252830468), (116, 180904559), (121, 173429164), (166, 126415234), (242, 86714582), (319, 65783476), (332, 63207617), (484, 43357291), (638, 32891738), (913, 22984588), (1276, 16445869), (1826, 11492294), (2407, 8718292), (3509, 5980316), (3652, 5746147), (4814, 4359146), (7018, 2990158), (9628, 2179573), (10043, 2089508), (14036, 1495079), (18013, 1164988), (20086, 1044754), (26477, 792572), (36026, 582494), (40172, 522377), (52954, 396286), (72052, 291247), (105908, 198143)]