20924890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15733}}^1$

素因数の和:15766

約数の個数: 32

約数和(自身を含む): 45313920

約数和(自身を除く): 24389030

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 15733, 31466, 78665, 110131, 157330, 220262, 298927, 550655, 597854, 1101310, 1494635, 2092489, 2989270, 4184978, 10462445, 20924890]

約数ペア:

[(1, 20924890), (2, 10462445), (5, 4184978), (7, 2989270), (10, 2092489), (14, 1494635), (19, 1101310), (35, 597854), (38, 550655), (70, 298927), (95, 220262), (133, 157330), (190, 110131), (266, 78665), (665, 31466), (1330, 15733)]