20550896

素因数分解:

$2^4\times {\mathrm{379}}^1\times {\mathrm{3389}}^1$

素因数の和:3776

約数の個数: 20

約数和(自身を含む): 39934200

約数和(自身を除く): 19383304

約数列:

[1, 2, 4, 8, 16, 379, 758, 1516, 3032, 3389, 6064, 6778, 13556, 27112, 54224, 1284431, 2568862, 5137724, 10275448, 20550896]

約数ペア:

[(1, 20550896), (2, 10275448), (4, 5137724), (8, 2568862), (16, 1284431), (379, 54224), (758, 27112), (1516, 13556), (3032, 6778), (3389, 6064)]