20000388095

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2381}}^1\times {\mathrm{3049}}^1$

素因数の和:5483

約数の個数: 32

約数和(自身を含む): 26154360000

約数和(自身を除く): 6153971905

約数列:

[1, 5, 19, 29, 95, 145, 551, 2381, 2755, 3049, 11905, 15245, 45239, 57931, 69049, 88421, 226195, 289655, 345245, 442105, 1311931, 1679999, 6559655, 7259669, 8399995, 36298345, 137933711, 210530401, 689668555, 1052652005, 4000077619, 20000388095]

約数ペア:

[(1, 20000388095), (5, 4000077619), (19, 1052652005), (29, 689668555), (95, 210530401), (145, 137933711), (551, 36298345), (2381, 8399995), (2755, 7259669), (3049, 6559655), (11905, 1679999), (15245, 1311931), (45239, 442105), (57931, 345245), (69049, 289655), (88421, 226195)]