20565207915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{709}}^1\times {\mathrm{276247}}^1$

素因数の和:276971

約数の個数: 32

約数和(自身を含む): 37658127360

約数和(自身を除く): 17092919445

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 709, 2127, 3545, 4963, 10635, 14889, 24815, 74445, 276247, 828741, 1381235, 1933729, 4143705, 5801187, 9668645, 29005935, 195859123, 587577369, 979295615, 1371013861, 2937886845, 4113041583, 6855069305, 20565207915]

約数ペア:

[(1, 20565207915), (3, 6855069305), (5, 4113041583), (7, 2937886845), (15, 1371013861), (21, 979295615), (35, 587577369), (105, 195859123), (709, 29005935), (2127, 9668645), (3545, 5801187), (4963, 4143705), (10635, 1933729), (14889, 1381235), (24815, 828741), (74445, 276247)]