20114021889

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{1523}}^1$

素因数の和:2031

約数の個数: 72

約数和(自身を含む): 33210459360

約数和(自身を除く): 13096437471

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 169, 171, 247, 457, 507, 741, 1371, 1521, 1523, 2223, 3211, 4113, 4569, 5941, 8683, 9633, 13707, 17823, 19799, 26049, 28899, 28937, 53469, 59397, 77233, 78147, 86811, 112879, 178191, 231699, 257387, 260433, 338637, 376181, 695097, 696011, 772161, 1015911, 1128543, 1467427, 2088033, 2316483, 3385629, 4402281, 4890353, 6264099, 9048143, 13206843, 13224209, 14671059, 27144429, 39672627, 44013177, 81433287, 117625859, 119017881, 171914717, 352877577, 515744151, 1058632731, 1547232453, 2234891321, 6704673963, 20114021889]

約数ペア:

[(1, 20114021889), (3, 6704673963), (9, 2234891321), (13, 1547232453), (19, 1058632731), (39, 515744151), (57, 352877577), (117, 171914717), (169, 119017881), (171, 117625859), (247, 81433287), (457, 44013177), (507, 39672627), (741, 27144429), (1371, 14671059), (1521, 13224209), (1523, 13206843), (2223, 9048143), (3211, 6264099), (4113, 4890353), (4569, 4402281), (5941, 3385629), (8683, 2316483), (9633, 2088033), (13707, 1467427), (17823, 1128543), (19799, 1015911), (26049, 772161), (28899, 696011), (28937, 695097), (53469, 376181), (59397, 338637), (77233, 260433), (78147, 257387), (86811, 231699), (112879, 178191)]