20874364

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{20149}}^1$

素因数の和:20197

約数の個数: 24

約数和(自身を含む): 42879200

約数和(自身を除く): 22004836

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 20149, 40298, 80596, 141043, 282086, 564172, 745513, 1491026, 2982052, 5218591, 10437182, 20874364]

約数ペア:

[(1, 20874364), (2, 10437182), (4, 5218591), (7, 2982052), (14, 1491026), (28, 745513), (37, 564172), (74, 282086), (148, 141043), (259, 80596), (518, 40298), (1036, 20149)]