20498545

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{751}}^1$

素因数の和:912

約数の個数: 16

約数和(自身を含む): 25339392

約数和(自身を除く): 4840847

約数列:

[1, 5, 53, 103, 265, 515, 751, 3755, 5459, 27295, 39803, 77353, 199015, 386765, 4099709, 20498545]

約数ペア:

[(1, 20498545), (5, 4099709), (53, 386765), (103, 199015), (265, 77353), (515, 39803), (751, 27295), (3755, 5459)]