20808330616

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{9000143}}^1$

素因数の和:9000183

約数の個数: 24

約数和(自身を含む): 41445663120

約数和(自身を除く): 20637332504

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 1156, 2312, 9000143, 18000286, 36000572, 72001144, 153002431, 306004862, 612009724, 1224019448, 2601041327, 5202082654, 10404165308, 20808330616]

約数ペア:

[(1, 20808330616), (2, 10404165308), (4, 5202082654), (8, 2601041327), (17, 1224019448), (34, 612009724), (68, 306004862), (136, 153002431), (289, 72001144), (578, 36000572), (1156, 18000286), (2312, 9000143)]