20623757

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{461}}^1$

素因数の和:569

約数の個数: 24

約数和(自身を含む): 26544672

約数和(自身を除く): 5920915

約数列:

[1, 7, 11, 49, 77, 83, 461, 539, 581, 913, 3227, 4067, 5071, 6391, 22589, 35497, 38263, 44737, 248479, 267841, 420893, 1874887, 2946251, 20623757]

約数ペア:

[(1, 20623757), (7, 2946251), (11, 1874887), (49, 420893), (77, 267841), (83, 248479), (461, 44737), (539, 38263), (581, 35497), (913, 22589), (3227, 6391), (4067, 5071)]