20320930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4759}}^1$

素因数の和:4834

約数の個数: 32

約数和(自身を含む): 42497280

約数和(自身を除く): 22176350

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 305, 427, 610, 854, 2135, 4270, 4759, 9518, 23795, 33313, 47590, 66626, 166565, 290299, 333130, 580598, 1451495, 2032093, 2902990, 4064186, 10160465, 20320930]

約数ペア:

[(1, 20320930), (2, 10160465), (5, 4064186), (7, 2902990), (10, 2032093), (14, 1451495), (35, 580598), (61, 333130), (70, 290299), (122, 166565), (305, 66626), (427, 47590), (610, 33313), (854, 23795), (2135, 9518), (4270, 4759)]