20385786

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{863}}^1$

素因数の和:1026

約数の個数: 32

約数和(自身を含む): 42467328

約数和(自身を除く): 22081542

約数列:

[1, 2, 3, 6, 31, 62, 93, 127, 186, 254, 381, 762, 863, 1726, 2589, 3937, 5178, 7874, 11811, 23622, 26753, 53506, 80259, 109601, 160518, 219202, 328803, 657606, 3397631, 6795262, 10192893, 20385786]

約数ペア:

[(1, 20385786), (2, 10192893), (3, 6795262), (6, 3397631), (31, 657606), (62, 328803), (93, 219202), (127, 160518), (186, 109601), (254, 80259), (381, 53506), (762, 26753), (863, 23622), (1726, 11811), (2589, 7874), (3937, 5178)]