20159540947

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{787}}^1\times {\mathrm{40213}}^1$

素因数の和:41027

約数の個数: 24

約数和(自身を含む): 25287528336

約数和(自身を除く): 5127987389

約数列:

[1, 7, 13, 49, 91, 637, 787, 5509, 10231, 38563, 40213, 71617, 281491, 501319, 522769, 1970437, 3659383, 25615681, 31647631, 221533417, 411419203, 1550733919, 2879934421, 20159540947]

約数ペア:

[(1, 20159540947), (7, 2879934421), (13, 1550733919), (49, 411419203), (91, 221533417), (637, 31647631), (787, 25615681), (5509, 3659383), (10231, 1970437), (38563, 522769), (40213, 501319), (71617, 281491)]