20257132

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{42557}}^1$

素因数の和:42585

約数の個数: 24

約数和(自身を含む): 42898464

約数和(自身を除く): 22641332

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 42557, 85114, 170228, 297899, 595798, 723469, 1191596, 1446938, 2893876, 5064283, 10128566, 20257132]

約数ペア:

[(1, 20257132), (2, 10128566), (4, 5064283), (7, 2893876), (14, 1446938), (17, 1191596), (28, 723469), (34, 595798), (68, 297899), (119, 170228), (238, 85114), (476, 42557)]