20291152

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{7877}}^1$

素因数の和:7915

約数の個数: 40

約数和(自身を含む): 46889856

約数和(自身を除く): 26598704

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 7877, 15754, 31508, 55139, 63016, 110278, 126032, 181171, 220556, 362342, 441112, 724684, 882224, 1268197, 1449368, 2536394, 2898736, 5072788, 10145576, 20291152]

約数ペア:

[(1, 20291152), (2, 10145576), (4, 5072788), (7, 2898736), (8, 2536394), (14, 1449368), (16, 1268197), (23, 882224), (28, 724684), (46, 441112), (56, 362342), (92, 220556), (112, 181171), (161, 126032), (184, 110278), (322, 63016), (368, 55139), (644, 31508), (1288, 15754), (2576, 7877)]