20147710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{16651}}^1$

素因数の和:16680

約数の個数: 24

約数和(自身を含む): 39864888

約数和(自身を除く): 19717178

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 16651, 33302, 83255, 166510, 183161, 366322, 915805, 1831610, 2014771, 4029542, 10073855, 20147710]

約数ペア:

[(1, 20147710), (2, 10073855), (5, 4029542), (10, 2014771), (11, 1831610), (22, 915805), (55, 366322), (110, 183161), (121, 166510), (242, 83255), (605, 33302), (1210, 16651)]