20171992029

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{50556371}}^1$

素因数の和:50556400

約数の個数: 16

約数和(自身を含む): 32356078080

約数和(自身を除く): 12184086051

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 50556371, 151669113, 353894597, 960571049, 1061683791, 2881713147, 6723997343, 20171992029]

約数ペア:

[(1, 20171992029), (3, 6723997343), (7, 2881713147), (19, 1061683791), (21, 960571049), (57, 353894597), (133, 151669113), (399, 50556371)]