20591885

素因数分解:

$5^1\times {\mathrm{29}}^2\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:205

約数の個数: 24

約数和(自身を含む): 26339040

約数和(自身を除く): 5747155

約数列:

[1, 5, 29, 59, 83, 145, 295, 415, 841, 1711, 2407, 4205, 4897, 8555, 12035, 24485, 49619, 69803, 142013, 248095, 349015, 710065, 4118377, 20591885]

約数ペア:

[(1, 20591885), (5, 4118377), (29, 710065), (59, 349015), (83, 248095), (145, 142013), (295, 69803), (415, 49619), (841, 24485), (1711, 12035), (2407, 8555), (4205, 4897)]