20051394

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:487

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 24764286

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 71, 121, 142, 213, 242, 363, 389, 426, 726, 778, 781, 1167, 1562, 2334, 2343, 4279, 4686, 8558, 8591, 12837, 17182, 25674, 25773, 27619, 47069, 51546, 55238, 82857, 94138, 141207, 165714, 282414, 303809, 607618, 911427, 1822854, 3341899, 6683798, 10025697, 20051394]

約数ペア:

[(1, 20051394), (2, 10025697), (3, 6683798), (6, 3341899), (11, 1822854), (22, 911427), (33, 607618), (66, 303809), (71, 282414), (121, 165714), (142, 141207), (213, 94138), (242, 82857), (363, 55238), (389, 51546), (426, 47069), (726, 27619), (778, 25773), (781, 25674), (1167, 17182), (1562, 12837), (2334, 8591), (2343, 8558), (4279, 4686)]