20771850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{12589}}^1$

素因数の和:12615

約数の個数: 48

約数和(自身を含む): 56201760

約数和(自身を除く): 35429910

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, 12589, 25178, 37767, 62945, 75534, 125890, 138479, 188835, 276958, 314725, 377670, 415437, 629450, 692395, 830874, 944175, 1384790, 1888350, 2077185, 3461975, 4154370, 6923950, 10385925, 20771850]

約数ペア:

[(1, 20771850), (2, 10385925), (3, 6923950), (5, 4154370), (6, 3461975), (10, 2077185), (11, 1888350), (15, 1384790), (22, 944175), (25, 830874), (30, 692395), (33, 629450), (50, 415437), (55, 377670), (66, 314725), (75, 276958), (110, 188835), (150, 138479), (165, 125890), (275, 75534), (330, 62945), (550, 37767), (825, 25178), (1650, 12589)]