20403644

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{4007}}^1$

素因数の和:4097

約数の個数: 24

約数和(自身を含む): 38156160

約数和(自身を除く): 17752516

約数列:

[1, 2, 4, 19, 38, 67, 76, 134, 268, 1273, 2546, 4007, 5092, 8014, 16028, 76133, 152266, 268469, 304532, 536938, 1073876, 5100911, 10201822, 20403644]

約数ペア:

[(1, 20403644), (2, 10201822), (4, 5100911), (19, 1073876), (38, 536938), (67, 304532), (76, 268469), (134, 152266), (268, 76133), (1273, 16028), (2546, 8014), (4007, 5092)]