20779878

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{494759}}^1$

素因数の和:494771

約数の個数: 16

約数和(自身を含む): 47496960

約数和(自身を除く): 26717082

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 494759, 989518, 1484277, 2968554, 3463313, 6926626, 10389939, 20779878]

約数ペア:

[(1, 20779878), (2, 10389939), (3, 6926626), (6, 3463313), (7, 2968554), (14, 1484277), (21, 989518), (42, 494759)]