20916464

素因数分解:

$2^4\times {\mathrm{557}}^1\times {\mathrm{2347}}^1$

素因数の和:2912

約数の個数: 20

約数和(自身を含む): 40615704

約数和(自身を除く): 19699240

約数列:

[1, 2, 4, 8, 16, 557, 1114, 2228, 2347, 4456, 4694, 8912, 9388, 18776, 37552, 1307279, 2614558, 5229116, 10458232, 20916464]

約数ペア:

[(1, 20916464), (2, 10458232), (4, 5229116), (8, 2614558), (16, 1307279), (557, 37552), (1114, 18776), (2228, 9388), (2347, 8912), (4456, 4694)]