20657156778

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{313}}^1\times {\mathrm{431}}^1$

素因数の和:980

約数の個数: 96

約数和(自身を含む): 46215816192

約数和(自身を除く): 25558659414

約数列:

[1, 2, 3, 6, 9, 18, 47, 94, 141, 181, 282, 313, 362, 423, 431, 543, 626, 846, 862, 939, 1086, 1293, 1629, 1878, 2586, 2817, 3258, 3879, 5634, 7758, 8507, 14711, 17014, 20257, 25521, 29422, 40514, 44133, 51042, 56653, 60771, 76563, 78011, 88266, 113306, 121542, 132399, 134903, 153126, 156022, 169959, 182313, 234033, 264798, 269806, 339918, 364626, 404709, 468066, 509877, 702099, 809418, 1019754, 1214127, 1404198, 2428254, 2662691, 3666517, 5325382, 6340441, 7333034, 7988073, 10999551, 12680882, 15976146, 19021323, 21999102, 23964219, 24417443, 32998653, 38042646, 47928438, 48834886, 57063969, 65997306, 73252329, 114127938, 146504658, 219756987, 439513974, 1147619821, 2295239642, 3442859463, 6885718926, 10328578389, 20657156778]

約数ペア:

[(1, 20657156778), (2, 10328578389), (3, 6885718926), (6, 3442859463), (9, 2295239642), (18, 1147619821), (47, 439513974), (94, 219756987), (141, 146504658), (181, 114127938), (282, 73252329), (313, 65997306), (362, 57063969), (423, 48834886), (431, 47928438), (543, 38042646), (626, 32998653), (846, 24417443), (862, 23964219), (939, 21999102), (1086, 19021323), (1293, 15976146), (1629, 12680882), (1878, 10999551), (2586, 7988073), (2817, 7333034), (3258, 6340441), (3879, 5325382), (5634, 3666517), (7758, 2662691), (8507, 2428254), (14711, 1404198), (17014, 1214127), (20257, 1019754), (25521, 809418), (29422, 702099), (40514, 509877), (44133, 468066), (51042, 404709), (56653, 364626), (60771, 339918), (76563, 269806), (78011, 264798), (88266, 234033), (113306, 182313), (121542, 169959), (132399, 156022), (134903, 153126)]