20123157855

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{83}}^1\times {\mathrm{19219}}^1$

素因数の和:19368

約数の個数: 48

約数和(自身を含む): 33749089920

約数和(自身を除く): 13625932065

約数列:

[1, 3, 5, 15, 29, 83, 87, 145, 249, 415, 435, 841, 1245, 2407, 2523, 4205, 7221, 12035, 12615, 19219, 36105, 57657, 69803, 96095, 209409, 288285, 349015, 557351, 1047045, 1595177, 1672053, 2786755, 4785531, 7975885, 8360265, 16163179, 23927655, 46260133, 48489537, 80815895, 138780399, 231300665, 242447685, 693901995, 1341543857, 4024631571, 6707719285, 20123157855]

約数ペア:

[(1, 20123157855), (3, 6707719285), (5, 4024631571), (15, 1341543857), (29, 693901995), (83, 242447685), (87, 231300665), (145, 138780399), (249, 80815895), (415, 48489537), (435, 46260133), (841, 23927655), (1245, 16163179), (2407, 8360265), (2523, 7975885), (4205, 4785531), (7221, 2786755), (12035, 1672053), (12615, 1595177), (19219, 1047045), (36105, 557351), (57657, 349015), (69803, 288285), (96095, 209409)]