20541250

素因数分解:

$2^1\times 5^4\times {\mathrm{16433}}^1$

素因数の和:16455

約数の個数: 20

約数和(自身を含む): 38504862

約数和(自身を除く): 17963612

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 16433, 32866, 82165, 164330, 410825, 821650, 2054125, 4108250, 10270625, 20541250]

約数ペア:

[(1, 20541250), (2, 10270625), (5, 4108250), (10, 2054125), (25, 821650), (50, 410825), (125, 164330), (250, 82165), (625, 32866), (1250, 16433)]