20174728

素因数分解:

$2^3\times 7^1\times {\mathrm{313}}^1\times {\mathrm{1151}}^1$

素因数の和:1477

約数の個数: 32

約数和(自身を含む): 43407360

約数和(自身を除く): 23232632

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 313, 626, 1151, 1252, 2191, 2302, 2504, 4382, 4604, 8057, 8764, 9208, 16114, 17528, 32228, 64456, 360263, 720526, 1441052, 2521841, 2882104, 5043682, 10087364, 20174728]

約数ペア:

[(1, 20174728), (2, 10087364), (4, 5043682), (7, 2882104), (8, 2521841), (14, 1441052), (28, 720526), (56, 360263), (313, 64456), (626, 32228), (1151, 17528), (1252, 16114), (2191, 9208), (2302, 8764), (2504, 8057), (4382, 4604)]