20938786

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41381}}^1$

素因数の和:41417

約数の個数: 16

約数和(自身を含む): 35754048

約数和(自身を除く): 14815262

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 41381, 82762, 455191, 910382, 951763, 1903526, 10469393, 20938786]

約数ペア:

[(1, 20938786), (2, 10469393), (11, 1903526), (22, 951763), (23, 910382), (46, 455191), (253, 82762), (506, 41381)]