20201902

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{439}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 36748800

約数和(自身を除く): 16546898

約数列:

[1, 2, 7, 14, 19, 38, 133, 173, 266, 346, 439, 878, 1211, 2422, 3073, 3287, 6146, 6574, 8341, 16682, 23009, 46018, 58387, 75947, 116774, 151894, 531629, 1063258, 1442993, 2885986, 10100951, 20201902]

約数ペア:

[(1, 20201902), (2, 10100951), (7, 2885986), (14, 1442993), (19, 1063258), (38, 531629), (133, 151894), (173, 116774), (266, 75947), (346, 58387), (439, 46018), (878, 23009), (1211, 16682), (2422, 8341), (3073, 6574), (3287, 6146)]