20539408025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{607}}^1\times {\mathrm{71237}}^1$

素因数の和:71873

約数の個数: 24

約数和(自身を含む): 26853876480

約数和(自身を除く): 6314468455

約数列:

[1, 5, 19, 25, 95, 475, 607, 3035, 11533, 15175, 57665, 71237, 288325, 356185, 1353503, 1780925, 6767515, 33837575, 43240859, 216204295, 821576321, 1081021475, 4107881605, 20539408025]

約数ペア:

[(1, 20539408025), (5, 4107881605), (19, 1081021475), (25, 821576321), (95, 216204295), (475, 43240859), (607, 33837575), (3035, 6767515), (11533, 1780925), (15175, 1353503), (57665, 356185), (71237, 288325)]