20111354

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{991}}^1$

素因数の和:1205

約数の個数: 16

約数和(自身を含む): 30831360

約数和(自身を除く): 10720006

約数列:

[1, 2, 73, 139, 146, 278, 991, 1982, 10147, 20294, 72343, 137749, 144686, 275498, 10055677, 20111354]

約数ペア:

[(1, 20111354), (2, 10055677), (73, 275498), (139, 144686), (146, 137749), (278, 72343), (991, 20294), (1982, 10147)]