20187682355

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{861433}}^1$

素因数の和:861590

約数の個数: 16

約数和(自身を含む): 25016043360

約数和(自身を除く): 4828361005

約数列:

[1, 5, 43, 109, 215, 545, 4687, 23435, 861433, 4307165, 37041619, 93896197, 185208095, 469480985, 4037536471, 20187682355]

約数ペア:

[(1, 20187682355), (5, 4037536471), (43, 469480985), (109, 185208095), (215, 93896197), (545, 37041619), (4687, 4307165), (23435, 861433)]