20184625874

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1\times {\mathrm{211}}^1\times {\mathrm{311}}^1$

素因数の和:831

約数の個数: 64

約数和(自身を含む): 35355820032

約数和(自身を除く): 15171194158

約数列:

[1, 2, 7, 14, 127, 173, 211, 254, 311, 346, 422, 622, 889, 1211, 1477, 1778, 2177, 2422, 2954, 4354, 21971, 26797, 36503, 39497, 43942, 53594, 53803, 65621, 73006, 78994, 107606, 131242, 153797, 187579, 255521, 276479, 307594, 375158, 376621, 459347, 511042, 552958, 753242, 918694, 4635881, 6832981, 8333867, 9271762, 11352433, 13665962, 16667734, 22704866, 32451167, 47830867, 58337069, 64902334, 79467031, 95661734, 116674138, 158934062, 1441758991, 2883517982, 10092312937, 20184625874]

約数ペア:

[(1, 20184625874), (2, 10092312937), (7, 2883517982), (14, 1441758991), (127, 158934062), (173, 116674138), (211, 95661734), (254, 79467031), (311, 64902334), (346, 58337069), (422, 47830867), (622, 32451167), (889, 22704866), (1211, 16667734), (1477, 13665962), (1778, 11352433), (2177, 9271762), (2422, 8333867), (2954, 6832981), (4354, 4635881), (21971, 918694), (26797, 753242), (36503, 552958), (39497, 511042), (43942, 459347), (53594, 376621), (53803, 375158), (65621, 307594), (73006, 276479), (78994, 255521), (107606, 187579), (131242, 153797)]