20792357210

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{490733}}^1$

素因数の和:490982

約数の個数: 32

約数和(自身を含む): 39572789760

約数和(自身を除く): 18780432550

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 223, 446, 1115, 2230, 4237, 8474, 21185, 42370, 490733, 981466, 2453665, 4907330, 9323927, 18647854, 46619635, 93239270, 109433459, 218866918, 547167295, 1094334590, 2079235721, 4158471442, 10396178605, 20792357210]

約数ペア:

[(1, 20792357210), (2, 10396178605), (5, 4158471442), (10, 2079235721), (19, 1094334590), (38, 547167295), (95, 218866918), (190, 109433459), (223, 93239270), (446, 46619635), (1115, 18647854), (2230, 9323927), (4237, 4907330), (8474, 2453665), (21185, 981466), (42370, 490733)]