20530460

素因数分解:

$2^2\times 5^1\times {\mathrm{919}}^1\times {\mathrm{1117}}^1$

素因数の和:2045

約数の個数: 24

約数和(自身を含む): 43199520

約数和(自身を除く): 22669060

約数列:

[1, 2, 4, 5, 10, 20, 919, 1117, 1838, 2234, 3676, 4468, 4595, 5585, 9190, 11170, 18380, 22340, 1026523, 2053046, 4106092, 5132615, 10265230, 20530460]

約数ペア:

[(1, 20530460), (2, 10265230), (4, 5132615), (5, 4106092), (10, 2053046), (20, 1026523), (919, 22340), (1117, 18380), (1838, 11170), (2234, 9190), (3676, 5585), (4468, 4595)]