20402067

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{51133}}^1$

素因数の和:51162

約数の個数: 16

約数和(自身を含む): 32725760

約数和(自身を除く): 12323693

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 51133, 153399, 357931, 971527, 1073793, 2914581, 6800689, 20402067]

約数ペア:

[(1, 20402067), (3, 6800689), (7, 2914581), (19, 1073793), (21, 971527), (57, 357931), (133, 153399), (399, 51133)]