20623764

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{245521}}^1$

素因数の和:245535

約数の個数: 24

約数和(自身を含む): 54996928

約数和(自身を除く): 34373164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 245521, 491042, 736563, 982084, 1473126, 1718647, 2946252, 3437294, 5155941, 6874588, 10311882, 20623764]

約数ペア:

[(1, 20623764), (2, 10311882), (3, 6874588), (4, 5155941), (6, 3437294), (7, 2946252), (12, 1718647), (14, 1473126), (21, 982084), (28, 736563), (42, 491042), (84, 245521)]