20161560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{168013}}^1$

素因数の和:168027

約数の個数: 32

約数和(自身を含む): 60485040

約数和(自身を除く): 40323480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 168013, 336026, 504039, 672052, 840065, 1008078, 1344104, 1680130, 2016156, 2520195, 3360260, 4032312, 5040390, 6720520, 10080780, 20161560]

約数ペア:

[(1, 20161560), (2, 10080780), (3, 6720520), (4, 5040390), (5, 4032312), (6, 3360260), (8, 2520195), (10, 2016156), (12, 1680130), (15, 1344104), (20, 1008078), (24, 840065), (30, 672052), (40, 504039), (60, 336026), (120, 168013)]