20312655

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{401}}^1$

素因数の和:727

約数の個数: 32

約数和(自身を含む): 35659008

約数和(自身を除く): 15346353

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 307, 401, 921, 1203, 1535, 2005, 3377, 4411, 4605, 6015, 10131, 13233, 16885, 22055, 50655, 66165, 123107, 369321, 615535, 1354177, 1846605, 4062531, 6770885, 20312655]

約数ペア:

[(1, 20312655), (3, 6770885), (5, 4062531), (11, 1846605), (15, 1354177), (33, 615535), (55, 369321), (165, 123107), (307, 66165), (401, 50655), (921, 22055), (1203, 16885), (1535, 13233), (2005, 10131), (3377, 6015), (4411, 4605)]