19702380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{328373}}^1$

素因数の和:328385

約数の個数: 24

約数和(自身を含む): 55166832

約数和(自身を除く): 35464452

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 328373, 656746, 985119, 1313492, 1641865, 1970238, 3283730, 3940476, 4925595, 6567460, 9851190, 19702380]

約数ペア:

[(1, 19702380), (2, 9851190), (3, 6567460), (4, 4925595), (5, 3940476), (6, 3283730), (10, 1970238), (12, 1641865), (15, 1313492), (20, 985119), (30, 656746), (60, 328373)]