20205086

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{547}}^1$

素因数の和:656

約数の個数: 32

約数和(自身を含む): 35036928

約数和(自身を除く): 14831842

約数列:

[1, 2, 11, 22, 23, 46, 73, 146, 253, 506, 547, 803, 1094, 1606, 1679, 3358, 6017, 12034, 12581, 18469, 25162, 36938, 39931, 79862, 138391, 276782, 439241, 878482, 918413, 1836826, 10102543, 20205086]

約数ペア:

[(1, 20205086), (2, 10102543), (11, 1836826), (22, 918413), (23, 878482), (46, 439241), (73, 276782), (146, 138391), (253, 79862), (506, 39931), (547, 36938), (803, 25162), (1094, 18469), (1606, 12581), (1679, 12034), (3358, 6017)]