20961514

素因数分解:

$2^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{1999}}^1$

素因数の和:2122

約数の個数: 24

約数和(自身を含む): 36936000

約数和(自身を除く): 15974486

約数列:

[1, 2, 7, 14, 49, 98, 107, 214, 749, 1498, 1999, 3998, 5243, 10486, 13993, 27986, 97951, 195902, 213893, 427786, 1497251, 2994502, 10480757, 20961514]

約数ペア:

[(1, 20961514), (2, 10480757), (7, 2994502), (14, 1497251), (49, 427786), (98, 213893), (107, 195902), (214, 97951), (749, 27986), (1498, 13993), (1999, 10486), (3998, 5243)]