20161121156

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{41655209}}^1$

素因数の和:41655235

約数の個数: 18

約数和(自身を含む): 38781000510

約数和(自身を除く): 18619879354

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 41655209, 83310418, 166620836, 458207299, 916414598, 1832829196, 5040280289, 10080560578, 20161121156]

約数ペア:

[(1, 20161121156), (2, 10080560578), (4, 5040280289), (11, 1832829196), (22, 916414598), (44, 458207299), (121, 166620836), (242, 83310418), (484, 41655209)]