20591242

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{27751}}^1$

素因数の和:27813

約数の個数: 16

約数和(自身を含む): 35966592

約数和(自身を除く): 15375350

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 27751, 55502, 194257, 388514, 1470803, 2941606, 10295621, 20591242]

約数ペア:

[(1, 20591242), (2, 10295621), (7, 2941606), (14, 1470803), (53, 388514), (106, 194257), (371, 55502), (742, 27751)]