20667039085

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53680621}}^1$

素因数の和:53680644

約数の個数: 16

約数和(自身を含む): 30920038272

約数和(自身を除く): 10252999187

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 53680621, 268403105, 375764347, 590486831, 1878821735, 2952434155, 4133407817, 20667039085]

約数ペア:

[(1, 20667039085), (5, 4133407817), (7, 2952434155), (11, 1878821735), (35, 590486831), (55, 375764347), (77, 268403105), (385, 53680621)]