20207130309

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{61357}}^1$

素因数の和:61466

約数の個数: 48

約数和(自身を含む): 32008259712

約数和(自身を除く): 11801129403

約数列:

[1, 3, 9, 23, 37, 43, 69, 111, 129, 207, 333, 387, 851, 989, 1591, 2553, 2967, 4773, 7659, 8901, 14319, 36593, 61357, 109779, 184071, 329337, 552213, 1411211, 2270209, 2638351, 4233633, 6810627, 7915053, 12700899, 20431881, 23745159, 52214807, 60682073, 97618987, 156644421, 182046219, 292856961, 469933263, 546138657, 878570883, 2245236701, 6735710103, 20207130309]

約数ペア:

[(1, 20207130309), (3, 6735710103), (9, 2245236701), (23, 878570883), (37, 546138657), (43, 469933263), (69, 292856961), (111, 182046219), (129, 156644421), (207, 97618987), (333, 60682073), (387, 52214807), (851, 23745159), (989, 20431881), (1591, 12700899), (2553, 7915053), (2967, 6810627), (4773, 4233633), (7659, 2638351), (8901, 2270209), (14319, 1411211), (36593, 552213), (61357, 329337), (109779, 184071)]