20196645147

素因数分解:

$3^2\times 7^1\times {\mathrm{571}}^1\times {\mathrm{561439}}^1$

素因数の和:562023

約数の個数: 24

約数和(自身を含む): 33398942720

約数和(自身を除く): 13202297573

約数列:

[1, 3, 7, 9, 21, 63, 571, 1713, 3997, 5139, 11991, 35973, 561439, 1684317, 3930073, 5052951, 11790219, 35370657, 320581669, 961745007, 2244071683, 2885235021, 6732215049, 20196645147]

約数ペア:

[(1, 20196645147), (3, 6732215049), (7, 2885235021), (9, 2244071683), (21, 961745007), (63, 320581669), (571, 35370657), (1713, 11790219), (3997, 5052951), (5139, 3930073), (11991, 1684317), (35973, 561439)]