20906339944

素因数分解:

$2^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{877}}^1\times {\mathrm{4783}}^1$

素因数の和:5762

約数の個数: 64

約数和(自身を含む): 45363801600

約数和(自身を除く): 24457461656

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 89, 178, 356, 623, 712, 877, 1246, 1754, 2492, 3508, 4783, 4984, 6139, 7016, 9566, 12278, 19132, 24556, 33481, 38264, 49112, 66962, 78053, 133924, 156106, 267848, 312212, 425687, 546371, 624424, 851374, 1092742, 1702748, 2185484, 2979809, 3405496, 4194691, 4370968, 5959618, 8389382, 11919236, 16778764, 23838472, 29362837, 33557528, 58725674, 117451348, 234902696, 373327499, 746654998, 1493309996, 2613292493, 2986619992, 5226584986, 10453169972, 20906339944]

約数ペア:

[(1, 20906339944), (2, 10453169972), (4, 5226584986), (7, 2986619992), (8, 2613292493), (14, 1493309996), (28, 746654998), (56, 373327499), (89, 234902696), (178, 117451348), (356, 58725674), (623, 33557528), (712, 29362837), (877, 23838472), (1246, 16778764), (1754, 11919236), (2492, 8389382), (3508, 5959618), (4783, 4370968), (4984, 4194691), (6139, 3405496), (7016, 2979809), (9566, 2185484), (12278, 1702748), (19132, 1092742), (24556, 851374), (33481, 624424), (38264, 546371), (49112, 425687), (66962, 312212), (78053, 267848), (133924, 156106)]