20123000

素因数分解:

$2^3\times 5^3\times {\mathrm{20123}}^1$

素因数の和:20144

約数の個数: 32

約数和(自身を含む): 47090160

約数和(自身を除く): 26967160

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 20123, 40246, 80492, 100615, 160984, 201230, 402460, 503075, 804920, 1006150, 2012300, 2515375, 4024600, 5030750, 10061500, 20123000]

約数ペア:

[(1, 20123000), (2, 10061500), (4, 5030750), (5, 4024600), (8, 2515375), (10, 2012300), (20, 1006150), (25, 804920), (40, 503075), (50, 402460), (100, 201230), (125, 160984), (200, 100615), (250, 80492), (500, 40246), (1000, 20123)]