20837193

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{563}}^1$

素因数の和:665

約数の個数: 24

約数和(自身を含む): 30550752

約数和(自身を除く): 9713559

約数列:

[1, 3, 13, 39, 73, 169, 219, 507, 563, 949, 1689, 2847, 7319, 12337, 21957, 37011, 41099, 95147, 123297, 285441, 534287, 1602861, 6945731, 20837193]

約数ペア:

[(1, 20837193), (3, 6945731), (13, 1602861), (39, 534287), (73, 285441), (169, 123297), (219, 95147), (507, 41099), (563, 37011), (949, 21957), (1689, 12337), (2847, 7319)]