20701232

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{30089}}^1$

素因数の和:30140

約数の個数: 20

約数和(自身を含む): 41042760

約数和(自身を除く): 20341528

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 30089, 60178, 120356, 240712, 481424, 1293827, 2587654, 5175308, 10350616, 20701232]

約数ペア:

[(1, 20701232), (2, 10350616), (4, 5175308), (8, 2587654), (16, 1293827), (43, 481424), (86, 240712), (172, 120356), (344, 60178), (688, 30089)]