20138039979

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{20782291}}^1$

素因数の和:20782330

約数の個数: 16

約数和(自身を含む): 29926500480

約数和(自身を除く): 9788460501

約数列:

[1, 3, 17, 19, 51, 57, 323, 969, 20782291, 62346873, 353298947, 394863529, 1059896841, 1184590587, 6712679993, 20138039979]

約数ペア:

[(1, 20138039979), (3, 6712679993), (17, 1184590587), (19, 1059896841), (51, 394863529), (57, 353298947), (323, 62346873), (969, 20782291)]