20217148

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{42473}}^1$

素因数の和:42501

約数の個数: 24

約数和(自身を含む): 42813792

約数和(自身を除く): 22596644

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 42473, 84946, 169892, 297311, 594622, 722041, 1189244, 1444082, 2888164, 5054287, 10108574, 20217148]

約数ペア:

[(1, 20217148), (2, 10108574), (4, 5054287), (7, 2888164), (14, 1444082), (17, 1189244), (28, 722041), (34, 594622), (68, 297311), (119, 169892), (238, 84946), (476, 42473)]