16820210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13901}}^1$

素因数の和:13930

約数の個数: 24

約数和(自身を含む): 33281388

約数和(自身を除く): 16461178

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 13901, 27802, 69505, 139010, 152911, 305822, 764555, 1529110, 1682021, 3364042, 8410105, 16820210]

約数ペア:

[(1, 16820210), (2, 8410105), (5, 3364042), (10, 1682021), (11, 1529110), (22, 764555), (55, 305822), (110, 152911), (121, 139010), (242, 69505), (605, 27802), (1210, 13901)]