20785936294

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{1669}}^1$

素因数の和:1889

約数の個数: 64

約数和(自身を含む): 33994252800

約数和(自身を除く): 13208316506

約数列:

[1, 2, 31, 37, 61, 62, 74, 89, 122, 178, 1147, 1669, 1891, 2257, 2294, 2759, 3293, 3338, 3782, 4514, 5429, 5518, 6586, 10858, 51739, 61753, 69967, 101809, 102083, 103478, 123506, 139934, 148541, 168299, 200873, 203618, 204166, 297082, 336598, 401746, 1914343, 3156079, 3766933, 3828686, 4604771, 5496017, 6227063, 6312158, 7533866, 9061001, 9209542, 10992034, 12454126, 18122002, 116774923, 170376527, 233549846, 280891031, 335257037, 340753054, 561782062, 670514074, 10392968147, 20785936294]

約数ペア:

[(1, 20785936294), (2, 10392968147), (31, 670514074), (37, 561782062), (61, 340753054), (62, 335257037), (74, 280891031), (89, 233549846), (122, 170376527), (178, 116774923), (1147, 18122002), (1669, 12454126), (1891, 10992034), (2257, 9209542), (2294, 9061001), (2759, 7533866), (3293, 6312158), (3338, 6227063), (3782, 5496017), (4514, 4604771), (5429, 3828686), (5518, 3766933), (6586, 3156079), (10858, 1914343), (51739, 401746), (61753, 336598), (69967, 297082), (101809, 204166), (102083, 203618), (103478, 200873), (123506, 168299), (139934, 148541)]