20960751

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43397}}^1$

素因数の和:43430

約数の個数: 16

約数和(自身を含む): 33329664

約数和(自身を除く): 12368913

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 43397, 130191, 303779, 911337, 998131, 2994393, 6986917, 20960751]

約数ペア:

[(1, 20960751), (3, 6986917), (7, 2994393), (21, 998131), (23, 911337), (69, 303779), (161, 130191), (483, 43397)]