20121894519

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{211}}^1\times {\mathrm{7603}}^1$

素因数の和:7967

約数の個数: 32

約数和(自身を含む): 27933567744

約数和(自身を除く): 7811673225

約数列:

[1, 3, 37, 111, 113, 211, 339, 633, 4181, 7603, 7807, 12543, 22809, 23421, 23843, 71529, 281311, 843933, 859139, 882191, 1604233, 2577417, 2646573, 4812699, 31788143, 59356621, 95364429, 178069863, 181278329, 543834987, 6707298173, 20121894519]

約数ペア:

[(1, 20121894519), (3, 6707298173), (37, 543834987), (111, 181278329), (113, 178069863), (211, 95364429), (339, 59356621), (633, 31788143), (4181, 4812699), (7603, 2646573), (7807, 2577417), (12543, 1604233), (22809, 882191), (23421, 859139), (23843, 843933), (71529, 281311)]