20866340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{94847}}^1$

素因数の和:94867

約数の個数: 24

約数和(自身を含む): 47803392

約数和(自身を除く): 26937052

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 94847, 189694, 379388, 474235, 948470, 1043317, 1896940, 2086634, 4173268, 5216585, 10433170, 20866340]

約数ペア:

[(1, 20866340), (2, 10433170), (4, 5216585), (5, 4173268), (10, 2086634), (11, 1896940), (20, 1043317), (22, 948470), (44, 474235), (55, 379388), (110, 189694), (220, 94847)]