20596807

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:188

約数の個数: 32

約数和(自身を含む): 26956800

約数和(自身を除く): 6359993

約数列:

[1, 7, 11, 49, 53, 77, 103, 343, 371, 539, 583, 721, 1133, 2597, 3773, 4081, 5047, 5459, 7931, 18179, 28567, 35329, 38213, 55517, 60049, 199969, 267491, 388619, 420343, 1872437, 2942401, 20596807]

約数ペア:

[(1, 20596807), (7, 2942401), (11, 1872437), (49, 420343), (53, 388619), (77, 267491), (103, 199969), (343, 60049), (371, 55517), (539, 38213), (583, 35329), (721, 28567), (1133, 18179), (2597, 7931), (3773, 5459), (4081, 5047)]