20498996

素因数分解:

$2^2\times 7^1\times {\mathrm{313}}^1\times {\mathrm{2339}}^1$

素因数の和:2663

約数の個数: 24

約数和(自身を含む): 41146560

約数和(自身を除く): 20647564

約数列:

[1, 2, 4, 7, 14, 28, 313, 626, 1252, 2191, 2339, 4382, 4678, 8764, 9356, 16373, 32746, 65492, 732107, 1464214, 2928428, 5124749, 10249498, 20498996]

約数ペア:

[(1, 20498996), (2, 10249498), (4, 5124749), (7, 2928428), (14, 1464214), (28, 732107), (313, 65492), (626, 32746), (1252, 16373), (2191, 9356), (2339, 8764), (4382, 4678)]