20267900

素因数分解:

$2^2\times 5^2\times {\mathrm{202679}}^1$

素因数の和:202693

約数の個数: 18

約数和(自身を含む): 43981560

約数和(自身を除く): 23713660

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 202679, 405358, 810716, 1013395, 2026790, 4053580, 5066975, 10133950, 20267900]

約数ペア:

[(1, 20267900), (2, 10133950), (4, 5066975), (5, 4053580), (10, 2026790), (20, 1013395), (25, 810716), (50, 405358), (100, 202679)]