20172488007

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1777}}^1\times {\mathrm{3889}}^1$

素因数の和:5815

約数の個数: 32

約数和(自身を含む): 30985561600

約数和(自身を除く): 10813073593

約数列:

[1, 3, 7, 21, 139, 417, 973, 1777, 2919, 3889, 5331, 11667, 12439, 27223, 37317, 81669, 247003, 540571, 741009, 1621713, 1729021, 3783997, 5187063, 6910753, 11351991, 20732259, 48375271, 145125813, 960594667, 2881784001, 6724162669, 20172488007]

約数ペア:

[(1, 20172488007), (3, 6724162669), (7, 2881784001), (21, 960594667), (139, 145125813), (417, 48375271), (973, 20732259), (1777, 11351991), (2919, 6910753), (3889, 5187063), (5331, 3783997), (11667, 1729021), (12439, 1621713), (27223, 741009), (37317, 540571), (81669, 247003)]