20468886648

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{1889}}^1\times {\mathrm{64499}}^1$

素因数の和:66404

約数の個数: 64

約数和(自身を含む): 58514400000

約数和(自身を除く): 38045513352

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 1889, 3778, 5667, 7556, 11334, 13223, 15112, 22668, 26446, 39669, 45336, 52892, 64499, 79338, 105784, 128998, 158676, 193497, 257996, 317352, 386994, 451493, 515992, 773988, 902986, 1354479, 1547976, 1805972, 2708958, 3611944, 5417916, 10835832, 121838611, 243677222, 365515833, 487354444, 731031666, 852870277, 974708888, 1462063332, 1705740554, 2558610831, 2924126664, 3411481108, 5117221662, 6822962216, 10234443324, 20468886648]

約数ペア:

[(1, 20468886648), (2, 10234443324), (3, 6822962216), (4, 5117221662), (6, 3411481108), (7, 2924126664), (8, 2558610831), (12, 1705740554), (14, 1462063332), (21, 974708888), (24, 852870277), (28, 731031666), (42, 487354444), (56, 365515833), (84, 243677222), (168, 121838611), (1889, 10835832), (3778, 5417916), (5667, 3611944), (7556, 2708958), (11334, 1805972), (13223, 1547976), (15112, 1354479), (22668, 902986), (26446, 773988), (39669, 515992), (45336, 451493), (52892, 386994), (64499, 317352), (79338, 257996), (105784, 193497), (128998, 158676)]