20225565

素因数分解:

$3^3\times 5^1\times {\mathrm{233}}^1\times {\mathrm{643}}^1$

素因数の和:890

約数の個数: 32

約数和(自身を含む): 36167040

約数和(自身を除く): 15941475

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 233, 643, 699, 1165, 1929, 2097, 3215, 3495, 5787, 6291, 9645, 10485, 17361, 28935, 31455, 86805, 149819, 449457, 749095, 1348371, 2247285, 4045113, 6741855, 20225565]

約数ペア:

[(1, 20225565), (3, 6741855), (5, 4045113), (9, 2247285), (15, 1348371), (27, 749095), (45, 449457), (135, 149819), (233, 86805), (643, 31455), (699, 28935), (1165, 17361), (1929, 10485), (2097, 9645), (3215, 6291), (3495, 5787)]