20207876

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{1697}}^1$

素因数の和:1943

約数の個数: 24

約数和(自身を含む): 38272920

約数和(自身を除く): 18065044

約数列:

[1, 2, 4, 13, 26, 52, 229, 458, 916, 1697, 2977, 3394, 5954, 6788, 11908, 22061, 44122, 88244, 388613, 777226, 1554452, 5051969, 10103938, 20207876]

約数ペア:

[(1, 20207876), (2, 10103938), (4, 5051969), (13, 1554452), (26, 777226), (52, 388613), (229, 88244), (458, 44122), (916, 22061), (1697, 11908), (2977, 6788), (3394, 5954)]