20759752

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{461}}^1$

素因数の和:913

約数の個数: 32

約数和(自身を含む): 42106680

約数和(自身を除く): 21346928

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 433, 461, 866, 922, 1732, 1844, 3464, 3688, 5629, 5993, 11258, 11986, 22516, 23972, 45032, 47944, 199613, 399226, 798452, 1596904, 2594969, 5189938, 10379876, 20759752]

約数ペア:

[(1, 20759752), (2, 10379876), (4, 5189938), (8, 2594969), (13, 1596904), (26, 798452), (52, 399226), (104, 199613), (433, 47944), (461, 45032), (866, 23972), (922, 22516), (1732, 11986), (1844, 11258), (3464, 5993), (3688, 5629)]