20178021031

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{5407}}^1$

素因数の和:5663

約数の個数: 32

約数和(自身を含む): 23947489280

約数和(自身を除く): 3769468249

約数列:

[1, 7, 67, 73, 109, 469, 511, 763, 4891, 5407, 7303, 7957, 34237, 37849, 51121, 55699, 362269, 394711, 533119, 589363, 2535883, 2762977, 3731833, 4125541, 26445637, 39487321, 43023499, 185119459, 276411247, 301164493, 2882574433, 20178021031]

約数ペア:

[(1, 20178021031), (7, 2882574433), (67, 301164493), (73, 276411247), (109, 185119459), (469, 43023499), (511, 39487321), (763, 26445637), (4891, 4125541), (5407, 3731833), (7303, 2762977), (7957, 2535883), (34237, 589363), (37849, 533119), (51121, 394711), (55699, 362269)]