20741084

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2999}}^1$

素因数の和:3042

約数の個数: 48

約数和(自身を含む): 47040000

約数和(自身を除く): 26298916

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 364, 494, 532, 988, 1729, 2999, 3458, 5998, 6916, 11996, 20993, 38987, 41986, 56981, 77974, 83972, 113962, 155948, 227924, 272909, 398867, 545818, 740753, 797734, 1091636, 1481506, 1595468, 2963012, 5185271, 10370542, 20741084]

約数ペア:

[(1, 20741084), (2, 10370542), (4, 5185271), (7, 2963012), (13, 1595468), (14, 1481506), (19, 1091636), (26, 797734), (28, 740753), (38, 545818), (52, 398867), (76, 272909), (91, 227924), (133, 155948), (182, 113962), (247, 83972), (266, 77974), (364, 56981), (494, 41986), (532, 38987), (988, 20993), (1729, 11996), (2999, 6916), (3458, 5998)]