20175892125

素因数分解:

$3^1\times 5^3\times {\mathrm{1381}}^1\times {\mathrm{38959}}^1$

素因数の和:40358

約数の個数: 32

約数和(自身を含む): 33597857280

約数和(自身を除く): 13421965155

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 1381, 4143, 6905, 20715, 34525, 38959, 103575, 116877, 172625, 194795, 517875, 584385, 973975, 2921925, 4869875, 14609625, 53802379, 161407137, 269011895, 807035685, 1345059475, 4035178425, 6725297375, 20175892125]

約数ペア:

[(1, 20175892125), (3, 6725297375), (5, 4035178425), (15, 1345059475), (25, 807035685), (75, 269011895), (125, 161407137), (375, 53802379), (1381, 14609625), (4143, 4869875), (6905, 2921925), (20715, 973975), (34525, 584385), (38959, 517875), (103575, 194795), (116877, 172625)]