20031963

素因数分解:

$3^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{2749}}^1$

素因数の和:3106

約数の個数: 16

約数和(自身を含む): 30624000

約数和(自身を除く): 10592037

約数列:

[1, 3, 7, 21, 347, 1041, 2429, 2749, 7287, 8247, 19243, 57729, 953903, 2861709, 6677321, 20031963]

約数ペア:

[(1, 20031963), (3, 6677321), (7, 2861709), (21, 953903), (347, 57729), (1041, 19243), (2429, 8247), (2749, 7287)]