20499052

素因数分解:

$2^2\times 7^3\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:315

約数の個数: 48

約数和(自身を含む): 42649600

約数和(自身を除く): 22150548

約数列:

[1, 2, 4, 7, 14, 28, 49, 67, 98, 134, 196, 223, 268, 343, 446, 469, 686, 892, 938, 1372, 1561, 1876, 3122, 3283, 6244, 6566, 10927, 13132, 14941, 21854, 22981, 29882, 43708, 45962, 59764, 76489, 91924, 104587, 152978, 209174, 305956, 418348, 732109, 1464218, 2928436, 5124763, 10249526, 20499052]

約数ペア:

[(1, 20499052), (2, 10249526), (4, 5124763), (7, 2928436), (14, 1464218), (28, 732109), (49, 418348), (67, 305956), (98, 209174), (134, 152978), (196, 104587), (223, 91924), (268, 76489), (343, 59764), (446, 45962), (469, 43708), (686, 29882), (892, 22981), (938, 21854), (1372, 14941), (1561, 13132), (1876, 10927), (3122, 6566), (3283, 6244)]