20321554

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{359}}^1$

素因数の和:486

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 14514926

約数列:

[1, 2, 11, 22, 31, 62, 83, 166, 341, 359, 682, 718, 913, 1826, 2573, 3949, 5146, 7898, 11129, 22258, 28303, 29797, 56606, 59594, 122419, 244838, 327767, 655534, 923707, 1847414, 10160777, 20321554]

約数ペア:

[(1, 20321554), (2, 10160777), (11, 1847414), (22, 923707), (31, 655534), (62, 327767), (83, 244838), (166, 122419), (341, 59594), (359, 56606), (682, 29797), (718, 28303), (913, 22258), (1826, 11129), (2573, 7898), (3949, 5146)]