20335160

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1933}}^1$

素因数の和:2207

約数の個数: 32

約数和(自身を含む): 45951840

約数和(自身を除く): 25616680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 1933, 2104, 2630, 3866, 5260, 7732, 9665, 10520, 15464, 19330, 38660, 77320, 508379, 1016758, 2033516, 2541895, 4067032, 5083790, 10167580, 20335160]

約数ペア:

[(1, 20335160), (2, 10167580), (4, 5083790), (5, 4067032), (8, 2541895), (10, 2033516), (20, 1016758), (40, 508379), (263, 77320), (526, 38660), (1052, 19330), (1315, 15464), (1933, 10520), (2104, 9665), (2630, 7732), (3866, 5260)]