20452828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{6547}}^1$

素因数の和:6633

約数の個数: 24

約数和(自身を含む): 39602304

約数和(自身を除く): 19149476

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 6547, 13094, 26188, 72017, 144034, 288068, 464837, 929674, 1859348, 5113207, 10226414, 20452828]

約数ペア:

[(1, 20452828), (2, 10226414), (4, 5113207), (11, 1859348), (22, 929674), (44, 464837), (71, 288068), (142, 144034), (284, 72017), (781, 26188), (1562, 13094), (3124, 6547)]