20145969818

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{311}}^1\times {\mathrm{4457}}^1$

素因数の和:4839

約数の個数: 48

約数和(自身を含む): 33598483776

約数和(自身を除く): 13452513958

約数列:

[1, 2, 13, 26, 43, 86, 169, 311, 338, 559, 622, 1118, 4043, 4457, 7267, 8086, 8914, 13373, 14534, 26746, 52559, 57941, 105118, 115882, 173849, 191651, 347698, 383302, 753233, 1386127, 1506466, 2260037, 2491463, 2772254, 4520074, 4982926, 18019651, 32389019, 36039302, 59603461, 64778038, 119206922, 234255463, 468510926, 774844993, 1549689986, 10072984909, 20145969818]

約数ペア:

[(1, 20145969818), (2, 10072984909), (13, 1549689986), (26, 774844993), (43, 468510926), (86, 234255463), (169, 119206922), (311, 64778038), (338, 59603461), (559, 36039302), (622, 32389019), (1118, 18019651), (4043, 4982926), (4457, 4520074), (7267, 2772254), (8086, 2491463), (8914, 2260037), (13373, 1506466), (14534, 1386127), (26746, 753233), (52559, 383302), (57941, 347698), (105118, 191651), (115882, 173849)]