20181272951

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1\times {\mathrm{5441}}^1$

素因数の和:5975

約数の個数: 32

約数和(自身を含む): 24825968640

約数和(自身を除く): 4644695689

約数列:

[1, 7, 17, 71, 119, 439, 497, 1207, 3073, 5441, 7463, 8449, 31169, 38087, 52241, 92497, 218183, 386311, 529873, 647479, 2388599, 2704177, 3709111, 6567287, 16720193, 40606183, 45971009, 169590529, 284243281, 1187133703, 2883038993, 20181272951]

約数ペア:

[(1, 20181272951), (7, 2883038993), (17, 1187133703), (71, 284243281), (119, 169590529), (439, 45971009), (497, 40606183), (1207, 16720193), (3073, 6567287), (5441, 3709111), (7463, 2704177), (8449, 2388599), (31169, 647479), (38087, 529873), (52241, 386311), (92497, 218183)]