20192920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{45893}}^1$

素因数の和:45915

約数の個数: 32

約数和(自身を含む): 49565520

約数和(自身を除く): 29372600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 45893, 91786, 183572, 229465, 367144, 458930, 504823, 917860, 1009646, 1835720, 2019292, 2524115, 4038584, 5048230, 10096460, 20192920]

約数ペア:

[(1, 20192920), (2, 10096460), (4, 5048230), (5, 4038584), (8, 2524115), (10, 2019292), (11, 1835720), (20, 1009646), (22, 917860), (40, 504823), (44, 458930), (55, 367144), (88, 229465), (110, 183572), (220, 91786), (440, 45893)]