20864277

素因数分解:

$3^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1093}}^1$

素因数の和:1210

約数の個数: 32

約数和(自身を含む): 35708160

約数和(自身を除く): 14843883

約数列:

[1, 3, 7, 9, 21, 27, 63, 101, 189, 303, 707, 909, 1093, 2121, 2727, 3279, 6363, 7651, 9837, 19089, 22953, 29511, 68859, 110393, 206577, 331179, 772751, 993537, 2318253, 2980611, 6954759, 20864277]

約数ペア:

[(1, 20864277), (3, 6954759), (7, 2980611), (9, 2318253), (21, 993537), (27, 772751), (63, 331179), (101, 206577), (189, 110393), (303, 68859), (707, 29511), (909, 22953), (1093, 19089), (2121, 9837), (2727, 7651), (3279, 6363)]