20498428

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{2297}}^1$

素因数の和:2421

約数の個数: 24

約数和(自身を含む): 37834272

約数和(自身を除く): 17335844

約数列:

[1, 2, 4, 23, 46, 92, 97, 194, 388, 2231, 2297, 4462, 4594, 8924, 9188, 52831, 105662, 211324, 222809, 445618, 891236, 5124607, 10249214, 20498428]

約数ペア:

[(1, 20498428), (2, 10249214), (4, 5124607), (23, 891236), (46, 445618), (92, 222809), (97, 211324), (194, 105662), (388, 52831), (2231, 9188), (2297, 8924), (4462, 4594)]