20725698

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{13337}}^1$

素因数の和:13386

約数の個数: 32

約数和(自身を含む): 48657024

約数和(自身を除く): 27931326

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554, 13337, 26674, 40011, 80022, 93359, 186718, 280077, 493469, 560154, 986938, 1480407, 2960814, 3454283, 6908566, 10362849, 20725698]

約数ペア:

[(1, 20725698), (2, 10362849), (3, 6908566), (6, 3454283), (7, 2960814), (14, 1480407), (21, 986938), (37, 560154), (42, 493469), (74, 280077), (111, 186718), (222, 93359), (259, 80022), (518, 40011), (777, 26674), (1554, 13337)]