20185787636

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1\times {\mathrm{47639}}^1$

素因数の和:48096

約数の個数: 48

約数和(自身を含む): 41564947200

約数和(自身を除く): 21379159564

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 409, 518, 818, 1036, 1636, 2863, 5726, 11452, 15133, 30266, 47639, 60532, 95278, 105931, 190556, 211862, 333473, 423724, 666946, 1333892, 1762643, 3525286, 7050572, 12338501, 19484351, 24677002, 38968702, 49354004, 77937404, 136390457, 272780914, 545561828, 720920987, 1441841974, 2883683948, 5046446909, 10092893818, 20185787636]

約数ペア:

[(1, 20185787636), (2, 10092893818), (4, 5046446909), (7, 2883683948), (14, 1441841974), (28, 720920987), (37, 545561828), (74, 272780914), (148, 136390457), (259, 77937404), (409, 49354004), (518, 38968702), (818, 24677002), (1036, 19484351), (1636, 12338501), (2863, 7050572), (5726, 3525286), (11452, 1762643), (15133, 1333892), (30266, 666946), (47639, 423724), (60532, 333473), (95278, 211862), (105931, 190556)]