20943630704

素因数分解:

$2^4\times {\mathrm{311}}^1\times {\mathrm{1319}}^1\times {\mathrm{3191}}^1$

素因数の和:4829

約数の個数: 40

約数和(自身を含む): 40752391680

約数和(自身を除く): 19808760976

約数列:

[1, 2, 4, 8, 16, 311, 622, 1244, 1319, 2488, 2638, 3191, 4976, 5276, 6382, 10552, 12764, 21104, 25528, 51056, 410209, 820418, 992401, 1640836, 1984802, 3281672, 3969604, 4208929, 6563344, 7939208, 8417858, 15878416, 16835716, 33671432, 67342864, 1308976919, 2617953838, 5235907676, 10471815352, 20943630704]

約数ペア:

[(1, 20943630704), (2, 10471815352), (4, 5235907676), (8, 2617953838), (16, 1308976919), (311, 67342864), (622, 33671432), (1244, 16835716), (1319, 15878416), (2488, 8417858), (2638, 7939208), (3191, 6563344), (4976, 4208929), (5276, 3969604), (6382, 3281672), (10552, 1984802), (12764, 1640836), (21104, 992401), (25528, 820418), (51056, 410209)]