20111806

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{70321}}^1$

素因数の和:70347

約数の個数: 16

約数和(自身を含む): 35442288

約数和(自身を除く): 15330482

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 70321, 140642, 773531, 914173, 1547062, 1828346, 10055903, 20111806]

約数ペア:

[(1, 20111806), (2, 10055903), (11, 1828346), (13, 1547062), (22, 914173), (26, 773531), (143, 140642), (286, 70321)]