20641335

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9623}}^1$

素因数の和:9655

約数の個数: 32

約数和(自身を含む): 38803968

約数和(自身を除く): 18162633

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145, 9623, 28869, 48115, 105853, 125099, 144345, 317559, 375297, 529265, 625495, 1376089, 1587795, 1876485, 4128267, 6880445, 20641335]

約数ペア:

[(1, 20641335), (3, 6880445), (5, 4128267), (11, 1876485), (13, 1587795), (15, 1376089), (33, 625495), (39, 529265), (55, 375297), (65, 317559), (143, 144345), (165, 125099), (195, 105853), (429, 48115), (715, 28869), (2145, 9623)]