20203729135

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{431381}}^1$

素因数の和:431451

約数の個数: 32

約数和(自身を含む): 27953553600

約数和(自身を除く): 7749824465

約数列:

[1, 5, 17, 19, 29, 85, 95, 145, 323, 493, 551, 1615, 2465, 2755, 9367, 46835, 431381, 2156905, 7333477, 8196239, 12510049, 36667385, 40981195, 62550245, 139336063, 212670833, 237690931, 696680315, 1063354165, 1188454655, 4040745827, 20203729135]

約数ペア:

[(1, 20203729135), (5, 4040745827), (17, 1188454655), (19, 1063354165), (29, 696680315), (85, 237690931), (95, 212670833), (145, 139336063), (323, 62550245), (493, 40981195), (551, 36667385), (1615, 12510049), (2465, 8196239), (2755, 7333477), (9367, 2156905), (46835, 431381)]