20590288

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{24281}}^1$

素因数の和:24342

約数の個数: 20

約数和(自身を含む): 40648068

約数和(自身を除く): 20057780

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 24281, 48562, 97124, 194248, 388496, 1286893, 2573786, 5147572, 10295144, 20590288]

約数ペア:

[(1, 20590288), (2, 10295144), (4, 5147572), (8, 2573786), (16, 1286893), (53, 388496), (106, 194248), (212, 97124), (424, 48562), (848, 24281)]