20702977256

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{1609}}^1$

素因数の和:1979

約数の個数: 96

約数和(自身を含む): 43558099200

約数和(自身を除く): 22855121944

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 169, 248, 307, 338, 403, 614, 676, 806, 1228, 1352, 1609, 1612, 2456, 3218, 3224, 3991, 5239, 6436, 7982, 9517, 10478, 12872, 15964, 19034, 20917, 20956, 31928, 38068, 41834, 41912, 49879, 51883, 76136, 83668, 99758, 103766, 123721, 167336, 199516, 207532, 247442, 271921, 399032, 415064, 493963, 494884, 543842, 648427, 987926, 989768, 1087684, 1296854, 1608373, 1975852, 2175368, 2593708, 3216746, 3951704, 5187416, 6421519, 6433492, 8429551, 12843038, 12866984, 15312853, 16859102, 25686076, 30625706, 33718204, 51372152, 61251412, 67436408, 83479747, 122502824, 166959494, 199067089, 333918988, 398134178, 667837976, 796268356, 1592536712, 2587872157, 5175744314, 10351488628, 20702977256]

約数ペア:

[(1, 20702977256), (2, 10351488628), (4, 5175744314), (8, 2587872157), (13, 1592536712), (26, 796268356), (31, 667837976), (52, 398134178), (62, 333918988), (104, 199067089), (124, 166959494), (169, 122502824), (248, 83479747), (307, 67436408), (338, 61251412), (403, 51372152), (614, 33718204), (676, 30625706), (806, 25686076), (1228, 16859102), (1352, 15312853), (1609, 12866984), (1612, 12843038), (2456, 8429551), (3218, 6433492), (3224, 6421519), (3991, 5187416), (5239, 3951704), (6436, 3216746), (7982, 2593708), (9517, 2175368), (10478, 1975852), (12872, 1608373), (15964, 1296854), (19034, 1087684), (20917, 989768), (20956, 987926), (31928, 648427), (38068, 543842), (41834, 494884), (41912, 493963), (49879, 415064), (51883, 399032), (76136, 271921), (83668, 247442), (99758, 207532), (103766, 199516), (123721, 167336)]