20607680015

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{1597}}^1\times {\mathrm{15271}}^1$

素因数の和:16899

約数の個数: 24

約数和(自身を含む): 26796312288

約数和(自身を除く): 6188632273

約数列:

[1, 5, 13, 65, 169, 845, 1597, 7985, 15271, 20761, 76355, 103805, 198523, 269893, 992615, 1349465, 2580799, 12903995, 24387787, 121938935, 317041231, 1585206155, 4121536003, 20607680015]

約数ペア:

[(1, 20607680015), (5, 4121536003), (13, 1585206155), (65, 317041231), (169, 121938935), (845, 24387787), (1597, 12903995), (7985, 2580799), (15271, 1349465), (20761, 992615), (76355, 269893), (103805, 198523)]