20833285

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 29196288

約数和(自身を除く): 8363003

約数列:

[1, 5, 11, 23, 43, 55, 115, 215, 253, 383, 473, 989, 1265, 1915, 2365, 4213, 4945, 8809, 10879, 16469, 21065, 44045, 54395, 82345, 96899, 181159, 378787, 484495, 905795, 1893935, 4166657, 20833285]

約数ペア:

[(1, 20833285), (5, 4166657), (11, 1893935), (23, 905795), (43, 484495), (55, 378787), (115, 181159), (215, 96899), (253, 82345), (383, 54395), (473, 44045), (989, 21065), (1265, 16469), (1915, 10879), (2365, 8809), (4213, 4945)]