20205200

素因数分解:

$2^4\times 5^2\times {\mathrm{50513}}^1$

素因数の和:50531

約数の個数: 30

約数和(自身を含む): 48543954

約数和(自身を除く): 28338754

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 50513, 101026, 202052, 252565, 404104, 505130, 808208, 1010260, 1262825, 2020520, 2525650, 4041040, 5051300, 10102600, 20205200]

約数ペア:

[(1, 20205200), (2, 10102600), (4, 5051300), (5, 4041040), (8, 2525650), (10, 2020520), (16, 1262825), (20, 1010260), (25, 808208), (40, 505130), (50, 404104), (80, 252565), (100, 202052), (200, 101026), (400, 50513)]