20859664

素因数分解:

$2^4\times 7^1\times {\mathrm{186247}}^1$

素因数の和:186262

約数の個数: 20

約数和(自身を含む): 46189504

約数和(自身を除く): 25329840

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 186247, 372494, 744988, 1303729, 1489976, 2607458, 2979952, 5214916, 10429832, 20859664]

約数ペア:

[(1, 20859664), (2, 10429832), (4, 5214916), (7, 2979952), (8, 2607458), (14, 1489976), (16, 1303729), (28, 744988), (56, 372494), (112, 186247)]