20450210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{16901}}^1$

素因数の和:16930

約数の個数: 24

約数和(自身を含む): 40463388

約数和(自身を除く): 20013178

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 16901, 33802, 84505, 169010, 185911, 371822, 929555, 1859110, 2045021, 4090042, 10225105, 20450210]

約数ペア:

[(1, 20450210), (2, 10225105), (5, 4090042), (10, 2045021), (11, 1859110), (22, 929555), (55, 371822), (110, 185911), (121, 169010), (242, 84505), (605, 33802), (1210, 16901)]