20045850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{12149}}^1$

素因数の和:12175

約数の個数: 48

約数和(自身を含む): 54237600

約数和(自身を除く): 34191750

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 110, 150, 165, 275, 330, 550, 825, 1650, 12149, 24298, 36447, 60745, 72894, 121490, 133639, 182235, 267278, 303725, 364470, 400917, 607450, 668195, 801834, 911175, 1336390, 1822350, 2004585, 3340975, 4009170, 6681950, 10022925, 20045850]

約数ペア:

[(1, 20045850), (2, 10022925), (3, 6681950), (5, 4009170), (6, 3340975), (10, 2004585), (11, 1822350), (15, 1336390), (22, 911175), (25, 801834), (30, 668195), (33, 607450), (50, 400917), (55, 364470), (66, 303725), (75, 267278), (110, 182235), (150, 133639), (165, 121490), (275, 72894), (330, 60745), (550, 36447), (825, 24298), (1650, 12149)]