20509958108

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{1051}}^1\times {\mathrm{286981}}^1$

素因数の和:288053

約数の個数: 24

約数和(自身を含む): 38040038064

約数和(自身を除く): 17530079956

約数列:

[1, 2, 4, 17, 34, 68, 1051, 2102, 4204, 17867, 35734, 71468, 286981, 573962, 1147924, 4878677, 9757354, 19514708, 301617031, 603234062, 1206468124, 5127489527, 10254979054, 20509958108]

約数ペア:

[(1, 20509958108), (2, 10254979054), (4, 5127489527), (17, 1206468124), (34, 603234062), (68, 301617031), (1051, 19514708), (2102, 9757354), (4204, 4878677), (17867, 1147924), (35734, 573962), (71468, 286981)]