20133580

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{11311}}^1$

素因数の和:11409

約数の個数: 24

約数和(自身を含む): 42759360

約数和(自身を除く): 22625780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 11311, 22622, 45244, 56555, 113110, 226220, 1006679, 2013358, 4026716, 5033395, 10066790, 20133580]

約数ペア:

[(1, 20133580), (2, 10066790), (4, 5033395), (5, 4026716), (10, 2013358), (20, 1006679), (89, 226220), (178, 113110), (356, 56555), (445, 45244), (890, 22622), (1780, 11311)]