20541862

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{13151}}^1$

素因数の和:13235

約数の個数: 16

約数和(自身を含む): 34089984

約数和(自身を除く): 13548122

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 13151, 26302, 144661, 289322, 933721, 1867442, 10270931, 20541862]

約数ペア:

[(1, 20541862), (2, 10270931), (11, 1867442), (22, 933721), (71, 289322), (142, 144661), (781, 26302), (1562, 13151)]