20804685

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{7417}}^1$

素因数の和:7453

約数の個数: 32

約数和(自身を含む): 38454912

約数和(自身を除く): 17650227

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 935, 2805, 7417, 22251, 37085, 81587, 111255, 126089, 244761, 378267, 407935, 630445, 1223805, 1386979, 1891335, 4160937, 6934895, 20804685]

約数ペア:

[(1, 20804685), (3, 6934895), (5, 4160937), (11, 1891335), (15, 1386979), (17, 1223805), (33, 630445), (51, 407935), (55, 378267), (85, 244761), (165, 126089), (187, 111255), (255, 81587), (561, 37085), (935, 22251), (2805, 7417)]